Welcome to the forum AYLS.
1. How long will the cheese last if vac sealed and refrigerated?
I have kept cheese up to 3 or 4 months vac sealed and refridgerated, although generally it is eaten before this time has elapsed, it was particularly big batches that lasted this long. (Whether it makes any difference to longevity on storage I cold-smoke all my cheese for 4 - 5 hours.)
2. Does the cheese keep it's lovely texture if frozen?
IMHO cheese loses some of it's texture when frozen and is not as nice, others may think differently?!
3. Has anyone tried to dip the cheese in wax to preserve?
I have an acquantance who does this, probably the same end effect as vac sealing but also seems a lot of effort compared to vac sealing! However this guy is selling the end product and the wax sealed version looks better.
Hope this helps?
edit: only ever smoked hard or semi - hard cheese like H.S.