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 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 ...

In Microsoft Word, you're able to insert a PDF, portable document format file, directly into the pages of the Word document.