You should use the perf film to control the resin bleed (adds restriction into the system), and pull the max vacuum you can.
If you don't have restriction you can overbleed and get porosity
Just be careful, by weight and volume the ratios are a bit different because of different densities.
Gurit spabond 345 is a good pre thickened adhesive for bonding, not really for coving though.
You should use the max vac you have available and not turn the pump off or regulate the vac. Control your bleed with the correct perf film if doing wet lam with vac. If infusion control the amount of resin you remove with a Peel ply break between end of lam and vac connection