Read the manufacturer's instruction if you have questions about product, and their adverse reactions if their instructions are not followed. https://www.bona.com/globalassets/catalogassets/bona-red-out-tds.pdf

" Once completely dry, the floor can be stained as-is for a water-popped color saturation level, or it can be buffed with a 1” red pad to smooth out any grain raise."

You do not apply poly straight over it.

Thanks