Could you post screenshots? I just looked and cannot find this option. Just double-checked and I'm on the latest app. Additionally, I was just told by a phone rep that this is not possible and that they are not allowed to tell you certs required if the flight has not yet been booked, which seems like a silly policy.

She also told me that she has been fielding these calls all morning and has not seen less than 3 certs required for TATL. The most impressive part to me, however, is the fact that I cannot use these in one direction. If I'm making an award booking with an international trip, the price of a one-way ticket is often as much as the RT. It's ridiculous to use all of my certificates for one booking when I can get 2 full RTs out of Delta with Diamond. Best you could get out of B6 ever with Move to Mint was 3 segments, and that was assuming that you could take a direct flight, otherwise you'd be using them all up if originating in SFO, for example.