Quit Acrobat/Acrobat Reader application if it's already running.
When you use the drawing tool to add comment in Acrobat or Acrobat Reader, a boundary appears on the first comment.
To fix the issue, use the below mentioned registry key on Windows, or the plist file on macOS.
Quit Acrobat/Acrobat Reader application if it's already running.
Unzip (extract) the contents (.reg file) to the desktop.
Make sure that you have administrative privileges. Then, right-click the .reg file and select Merge.
Quit Acrobat/Acrobat Reader application if it's already running.
Unzip (extract) the contents (plist file) to the desktop.
Copy the plist file to /Library/Application Support/Adobe/Acrobat/DC/Preferences folder. Enter your Mac admin password if prompted.
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