Technically, yes. They all need to be verified ahead of time because they're good on future bookings. Military verification is once and done. The others need to be done manually.
You might get lucky, but then you may be denied if you verified after booking. It's not exactly a long, arduous process. You should be able to get it done online with minimal fuss. From what Understand, the educator credit might require additional documentation if you retired, particularly if the school is no longer there.