It won't help as the eggs have already been exposed to oxygen. Vacuum sealing the cigars will slow down the metabolic processes the eggs need to grow and hatch, but if they are going to hatch, they will hatch. Can't stop nature.
The vacuum sealer might do two things for you though.
1) It will slow down the maturation of the cigars for a longer fermentation and promote better flavour after an extended period of time, hopefully. But this only bears fruit after something like 5 years.
2) It will get rid of the excess moisture in surrounding the cigars, so when you do pop them into the freezer, the possible damage from the ice crystal formation of the moisture will be minimized.