You don't need the full Adobe Acrobat Pro just to sign a PDF. The free Adobe Acrobat Reader can easily handle that job.

Need to edit a PDF document but don’t want to pay for the more expensive Adobe editors? You can add text to and sign a PDF with just the free Reader program.

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 ...

To password protect a PDF in Adobe Acrobat Reader, you'll need the paid Pro version, which starts at $14.99 a month.

To validate a signature, open the PDF document using the Adobe Reader. Scroll down to the signature in the PDF and right-click on it. Select Show Signature Properties. It will open the Signature ...

Merge PDF files, two or more, by using the Adobe Acrobat Reader Combine PDF function. Adobe Acrobat Reader DC is the cloud-based version of Adobe Acrobat Pro.

Adobe Reader lets you open a PDF document, sign it securely, and then email, all without opening a printer or scanner or having to waste a piece of paper.