Back in 1992, Adobe created the Portable Document Format file, now commonly known as the PDF and used to distribute everything from digital business documents to e-books. This Adobe file type isn't ...

You can digitally sign a PDF in several different ways. The most popular software for digitally signing PDFs is Adobe Acrobat Reader, but other options exist on PCs ...

You can save a Google Doc as a PDF via the File menu in Google Docs. From there, you also have the ability to email it as a PDF attachment. The same tasks can be accomplished via the Google Docs app ...