Yes, of course. If you have registered with moovel and you have provided payment information, then you can use moovel to book Deutsche Bahn tickets. You can find your ticket under „My Connections“ and you will even get it by e-mail.
Yes, you will need to produce appropriate identification (credit card), which you can select during the ticket booking process.
No, this is not possible.
The connection overview will display standard prices. Once you start the booking process, you can then apply various discounts (BahnCard, Sparpreis, etc.).
We are currently focusing on moovel transport links within Germany.