PDF handling on the iPhone and iPad has vastly improved over the last year or so. Not only can you scan documents as PDFs using the camera, you can sign documents and send them off to the recipient, and even request the signature of others electronically. If you need a reliable iPhone PDF converter, you can find everything you need in this guide.
How to sign, scan and send PDFs with an iPhone or iPad

Photo: Ally Kazmucha/The App Factor