If you routinely use the same preflight profile to inspect documents, you can use a droplet or a preflight action to process files.
A droplet in
Preflight is a small application that runs a Preflight inspection
on one or more PDFs that you drag onto the Droplet icon 
. You
can save a droplet on the desktop or to another location on your
computer.
Like droplets, a preflight action inspects multiple files at once, separates successful files from problem files, and creates reports in designated locations. In addition, hot folders can convert multiple file types (JPEG, HTML, RTF, and so on) to PDF or to PDF/X using conversion settings you specify; inspect the files using specified profiles; and output them in any format Acrobat supports, including PDF and PostScript.
Note:
If you are inspecting only files, you probably don’t need to save changes or save copies in output folders.
When you inspect files using a droplet, you can separate successful files from problem files, and review results in an optional report.
Use the droplet options to specify how the Preflight tool processes PDFs when you drag them onto the Droplet icon.
Note:
You also specify these options when you run a preflight inspection using the Actions feature. (See Action wizard.)
Keep Profile [profile]
(Edit Droplet Settings) Uses the currently selected profile for the preflight inspection.
Capture
(Edit Droplet Settings) Inserts the profile being used in the droplet into the profile list under the Imported Profiles category.
Change Profile
(Edit Droplet Settings) Provides a menu of all available profiles. You can select a different profile for the preflight inspection.
Run Preflight Profile Without Applying Fixups
Inspects and reports on problems without correcting them. This option is available only if you choose a profile that includes a fixup for correcting problems.
Save Alias Of PDF File
Places a link to the PDF in the Success or Error folder, so that the original file is not moved from its location.
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