I am not sure. If I recall correctly (I'm on my Mac, not my Flightsm PC) there was an issue with the three volumes of A-7. It was something about the dll that controls the loading menu. It was a bit confusing - I can't remember it was a patch or something to do with the order you installed the volumes - i.e. if you installed Vo1 I after Vol II. If the loading menu/window works I wouldn't worry about it.
That said, I don't think there any patches beyond that. I've got the RAZBAM A-7 series, the T-2, the AV-8 and GR harriers, Delta Dart and Metroliner…I've reported bugs in a couple of them but never saw a patch to fix.
I laso have the A-7 for TACPACK "Beta" version. They never went final…so it is a bit buggy. The frustrating thing is that all the TACPACK stuff works fine. The issues are a few switches/leavers in the cockpit that work properly in the original A-7s. <sigh>
At the "Fire Sale" prices you can't really go wrong - minor bugs and all.