PVA is not commonly used on drywall.
Because PVA is the appropriate glue for wood.
PVA glue is a liquid till it sets in use, then it's a solid.
You use scrap pieces of drywall and joint compound.
No, you don't use drywall anchors if you can use a stud.
Regular drywall primer.
I have used PVA Glue instead of padding glue for three years now for my ncr jobs sheets and telephone answer pads. I have had no problems with them so far, so yes, you can use PVA Gldding glue.
Yes, you can use Kilz over drywall. It is an undercoat, or primer.
Drywall is the standard covering of the interior frame of many houses.
for insulation
You use standard 1/2 inch drywall .
You can use drywall nails or drywall screws. I prefer the screws.
pva