If you work with PDFs in, you will at some point want to know how to add or remove a watermark in Acrobat. A watermark is an image or text added in front or behind the contents of a document.

You can't edit a PDF directly. You will need to open the PDF in Illustrator (whioch uses PDF as its native format, I believe) and then add the logo, and save as PDF. If you don't have the original ...

Since vector images can be embedded in PDFs, it is possible to extract these graphics if they are required for use elsewhere. As vector images do not distort when resized, they can be useful when ...