if it is a thin coat of regular finish then just about anything will take it up, Jodson O2, floor stripper, oxyblaster
easiest thing to do would be to test or ask to find out what is actually on the floor
if you have some confined areas you might want to use the least agressive chemical process available
a little prescrub with a shampoo brush never hurts but a stripping brush will work better
did a greasy restaurant ceramic tile a few days back that had wax on it, all of the above worked fine