You can convert an existing electronic document (for example, a Word, Excel, or PDF document) or scan a paper document to a PDF form. Acrobat automatically adds interactive form fields to the form. You can then edit the form to add specialized form fields, such as a drop-down list, list box, or buttons.

A. Certificate-based signature field B. Drop-down list box C. Text fields D. Automatic message bar E. Check boxes F. Radio buttons G. List box H. Buttons
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Review the form fields Acrobat created. Add fields using the form field tools in the taskbar. Delete, resize, or arrange the fields as needed. You can add any of the following types of form fields:
Barcodes
Encode the input from selected fields and display it as a visual pattern that can be interpreted by decoding software or hardware (available separately).
Buttons
Initiate a change on the user’s computer, such as opening a file, playing a sound, or submitting data to a web server. These buttons can be customized with images, text, and visual changes triggered by mouse actions.
Check boxes
Present yes-or-no choices for individual items. If the form contains multiple check boxes, the user can typically select as many or few of these as wanted.
Drop-down list
Let the user either choose an item from a pop-up menu or type a value. You can set a form field property that enables the user to enter a custom value.
List boxes
Display a list of options the user can select. You can set a form field property that enables the user to Shift-click to select multiple items on the list.
Radio buttons
Present a group of choices from which the user can select only one item. All radio buttons with the same name work together as a group.
For more information, see Form field basics.
For a video tutorial on creating forms, watch How to create PDF forms from existing documents: http://tv.adobe.com/watch/acrobat-xi-tips-tricks/how-to-create-new-pdf-forms-from-existing-documents/
You can convert an existing form into an Adobe Sign form or easily drag-and-drop Adobe Sign fields onto a PDF. You can send the form out to be filled in and signed using the Adobe Sign service. Not all fields convert to Adobe Sign fields, such as List Box, Dropdown, or Button fields. You can add additional Adobe Sign fields from the toolbar.
You can create specialized Adobe Sign fields, such as dropdown lists or fields that validate or limit data to specific values. You name the field using a special text tag. The syntax of the tag includes all the information required to create the field. You do not see the features of the field in Acrobat. Adobe Sign uses the text tag to build the field after you upload the form to the Adobe Sign website.
You enter the text tag in the Name field when you first place the field. Optionally you can edit its name on the General tab of the Properties dialog box (double-click the field to open its properties). For a list of Adobe Sign text tags, see Creating Adobe Sign Forms with Text Tags. When you insert a text tag in Acrobat, omit the brackets that enclose the tag: {{tag}}.
Ordinarily, users of Reader X and earlier can’t save filled-in copies of forms that they complete. However, you can extend the rights of a PDF to allow these users to save form data. If you have Acrobat Pro, you can include additional capabilities for Reader users, such as adding text to non-interactive forms.
Pastaba:
Unlike earlier versions of Reader, Reader XI includes both the Add Text tool and the ability to save form data. Acrobat users can type in non-fillable forms, add comments, and digitally sign PDFs without extending special rights.
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Enable Adding Text In PDFs (that are not PDF forms)
(Acrobat Pro) Lets users add text to PDFs or flat, non-fillable forms (for earlier versions of Reader).
Commenting & Measuring
(Acrobat Pro) Allows users to add comments or access the Object Data, Measuring, and Geospatial tools.
Enable More Tools (includes form fill-in & save)
Lets users save data they’ve entered in interactive or fillable forms.
Acrobat Standard and Acrobat Pro, each allow Adobe Reader 8 or later users to fill in and save PDF forms locally. The use of the Reader Extensions capability for local saving of PDF forms (called extended documents) is limited in two ways:
Number of deployed extended documents
An Acrobat Standard or Acrobat Pro customer can send an extended document to an unlimited number of recipients for them to fill in. For example, an Acrobat customer can post an empty form template on a web page that allows users to fill in and save PDF forms locally. An unlimited number of people can access the template. However, the Acrobat customer can collect only 500 responses from the filled-in form. This limitation includes both hardcopy (paper form submission) and electronic representations of the filled-in form.
Number of recipients of the extended document
An Acrobat Standard or Acrobat Pro customer can send an extended document to no more than 500 unique recipients. For example, an Acrobat customer belongs to an organization with 500 people or less. The Acrobat customer can send an unlimited number of copies of the extended document to those 500 recipients and collect unlimited responses from the filled-in form.
Both limitations apply per entity/company, and multiple users in an entity cannot abuse this feature. Obtaining additional licenses to use Acrobat does not increase the above restrictions. For example, five Acrobat Standard 9 users in a company cannot send out the same extended document to receive and extract data collectively more than 500 times.
Acrobat Standard and Acrobat Pro include technology that can enable PDF documents with certain features by using a digital credential. This credential is located within the Software (“Key”). You agree not to access, attempt to access, control, disable, remove, distribute the Key for any purpose.
The JavaScript language lets you create interactive web pages. Adobe has enhanced JavaScript so that you can easily integrate interactivity into PDF forms. The most common uses for JavaScript in Acrobat forms are formatting, calculating, validating data, and assigning an action. In Windows, you can also configure Adobe PDF forms to connect directly to databases using Open Database Connection (ODBC).
Pastaba:
If you’re creating dynamic forms, keep in mind that Reader doesn’t support some custom JavaScripts. The form may not function properly when viewed in Reader unless additional usage rights are added to the PDF.
JavaScript™ for Acrobat® API Reference to add interactivity to PDF forms: www.adobe.com/go/learn_acr_javascript_en (PDF, English only)
Acrobat Software Development Kit (SDK) to customize Acrobat: www.adobe.com/go/learn_acr_devcenter_en (English only)
File paths in Acrobat JavaScript: www.acrobatusers.com/tutorials/file-paths-acrobat-javascript
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Internal Server
Distribute and collect responses on an internal server such as SharePoint or Network Folder. For more information, see Specify a server.
For more information, see Choosing a distribution option for reviews and forms.
Pastaba:
If you don’t know the email addresses of your recipients, enter your own email address. The system sends you a link to the form, which you can email to recipients as desired.
After you create an Adobe Sign form, you can use the Adobe Sign service for sending it to recipients for filling in and signing.