Yes they are digital tickets, and my daughter has managed to log in to her account on the app and has her ticket. I figure I can't see hers since she is an adult member now she has finished uni. She is 26 after all.
As for only being digital tickets, well, they say the same about AFLW but I can print them! I do have the app on my phone linked to Ticketmaster but the MCG is Ticketek so it seems to be all a bit confusing on that front.
I just find paper tickets scan quicker and better. The AFLW tickets are QR codes and they work fine as a print out. Also means I don't have to work out how to forward the tickets.
DS