How to Add Comments to a PDF With Acrobat Reader. PDF files enable you to share and comment on content created in a wide range of applications. Adobe Reader, formerly called Acrobat Reader, offers ...

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 ...

You can type on a PDF using one of several different options, depending on the device you are using.