I'd like to create a form (in, say, Acrobat XI) and distribute it to salespeople travelling. I want them to fill out the fields, and have the customer sign on screen. This all works great -- question is, can they then digitally sign the document somehow, so both them and the client have a digitally signed copy, rather than just a PDF each side can claim is fake?
The electronic signatures in the mobile Reader for iOS are considered wet signatures and they don't provide validation. However, if you need validation, I would suggestion looking at the EchoSign for iOS app because it can provide a secure signing process with key authentication and privacy, fraud protection and consumer disclosure.