The other day, we looked at ways to extract content from finished PDF files using Adobe Acrobat 9 Pro. But extracting content is not the only reason to revisit a finished PDF. For example, one of the ...

If you already have a PDF that you’d like to sign, double-click on it to open it in Preview. Then click on the Pen icon near the top right, select the Sig icon, and choose “Create Signature from Built ...