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.

How to Insert a Watermark in a PDF File. Watermarks are images or text displayed over the top of or underneath content in your PDF files to indicate information such as who owns the document, who ...

Wondering how to edit a PDF on a Mac? Want to do it for free? You can! There is a free PDF editor built right into MacOS and it's really easy to use. We show you how to edit a PDF on a Mac, plus ...

If you've ever tried to edit a Portable Document Format file, or PDF, you've almost certainly discovered that it's a lot more trouble than editing a Microsoft Word or Google doc. That's because ...

If you've ever tried to edit a Portable Document Format file, or PDF, you've almost certainly discovered that it's a lot more trouble than editing a Microsoft Word or Google doc. That's because ...