How the creator of a PDF file sets up her document determines the extent to which you can use Acrobat Reader's commenting tools to mark the file with notes about its content.

If you get A running instance of Acrobat has caused an error when using Acrobat Reader on Windows, use these solutions to fix the error.

If you receive PDF files from your customers, you can configure Adobe Acrobat to prevent your employees from opening hyperlinks included in PDF documents.