To get started, head to Adobe’s online editor, click the Edit PDF button, then upload your file from your device or cloud ...

How to Add Comments to a PDF With Acrobat Reader. ... Adobe Reader connects the box to the commenting subject with a colored arrow. Type your text in the box. Drawing Lines and Arrows on a PDF.

While Windows doesn’t offer a built-in PDF signing feature, there are third-party apps that you can use, such as Adobe Acrobat Reader DC, which is Adobe’s free PDF reader.