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 ...

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 ...

Use your signatures in PDFs To sign a PDF, click on the Pen icon near the top right, and then the Sig icon, and click on the signature you want to use. Then click, hold, and drag across the PDF in ...