Gadgets How To Scan, Sign and Share Documents From Your Phone You don't actually need to get any other devices involved.

How to sign a PDF using Adobe Acrobat Reader Adobe Acrobat Reader, the most popular PDF viewing software, has an electronic signature method that works for both PCs and Macs.

We show you how to sign digital documents on your PC or smartphone free of charge.

The Adobe Fill & Sign app is a free third-party app available on the App Store that provides a more polished and professional approach to signing documents on your iPhone.