Here s some good news.
Is bleach safe on vinyl flooring.
Vinyl fabrics even colored ones can generally be safely treated with a clorox regular bleach2 and water solution so you have a pretty good chance of success.
These cleaners are corrosive and can damage your floors.
This kind of damage is irreparable and there are no coatings or sealers that will solve your problem.
High ph detergents are corrosive and can damage the flooring.
For disinfecting wipe or wash the floor then apply the bleach solution and let stand for 5 minutes.
The best cleaners are ph neutral ones such as plain water or a solution of 1 ounce of mild dish detergent per gallon of water.
Let s pull the bandage off and start with the bad news.
General guidelines for cleaning vinyl floors you should avoid cleaning vinyl floors with ammonia or bleach.
Bleach is highly slippery when used on a smooth surface such as a tile or vinyl floor.
It s important to note that you don t want to clean your luxury vinyl flooring with bleach ammonia or any high ph detergents.
It s vitally important to thoroughly rinse the bleach away after use to ensure that your floor isn t slippery and that an unsuspecting person doesn t slip and fall.
Unfortunately it sounds as if the bleach has eroded the vinyl s wear layer to the point where it s begun to flake off.