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Floor tiles would remind me of being in the kitchen. To me that's unacceptable. A topcoat just looks more professional in my opinion.
If you're worried about jack stands, you could always put some cardboard beneath them. So far I have not seen any damage from my jack stands or floor jack.
Save the empty cans to make small touch-up repairs later. I used SHERMAN-WILLIAMS 2 part with anti hot tire pick-up and still have small spots and no way to fix them.