yes, we purchased in early Sept and will be at Disney next Wednesday the 28th. Made fast pass selections 60 days out with no problem! You have to link them to your MDE account before you can make selections.
Yes, I made fastpasses a couple of weeks ago for my early December trip that I have a voucher for, purchased late last year. If you purchase online while signed into MDE, it will automatically link. If not, you can enter the ticket # or confirmation # to link it.