Technology has advanced to the point that it is now possible to digitally sign a PDF document, here's the multiple ways on how to do it.

It is quite easy to digitally sign a PDF document in Windows. You can use a free software like Advanced PDF Utilities Free that allows you to edit and digitally sign a PDF file.

The eSign PDF online digital signature service provides a number of ways for you to add an electronic or digital signature to a document.

Don't have a printer and scanner? You still can easily sign a PDF file, no matter the operating system you're running.

To send a document or letter with your signature, use Acrobat to create a digital signature from a scanned copy of your handwritten signature.

You can add your signature to PDF documents by using Apple, Android or PCs. Kurt "CyberGuy" Knutsson shows you how to add e-signatures using your devices.

Apple has innovated the process of signing PDF documents with its digital signature technology. As a result, it has helped to make the process of printing documents out to be signed and scanned a ...

Further reading: How to sign PDF documents without printing them out Digital signing, important differences With digital signing, not all signatures are the same. There are three basic options ...

Once the PDF is signed, just save the document and it's ready to be used. But please notice that this only works on Mac OS X 10.7 Lion, if you need to digitally sign PDF documents on Mac other ...

In the event a digital document needs to be signed, like a form or a letter, macOS includes a way to add your signature without needing to print out the pages and rescan them. AppleInsider shows ...