In this step-by-step tutorial video, learn how to sign an Adobe PDF using either an iPhone or and Android phone. In this video, I show you how to download the Microsoft Office app, which allows you to easily and quickly sign PDFs. Best of all, the Office app is entirely free. Along with signing PDFs, you can also use the Office app to edit and save PDFs as well.
How to Sign PDF on iPhone & Android
Kevin Stratvert 