Tam Airpass tickets are e-tickets. Be sure to carry a paper copy, though, to the airport. As for having to "prove" you have a TAM international ticket, Brol.com will quiz you on the ticket number after you book your airpass.

One note: brol.com does not seem to be able to input your frequent flyer numbers into the itinerary, so you will have to nicely ask the TAM staff to do this at the airport, perhaps for every leg of your journey.