Demconpc will give expert advice on what is possible.
This will be based on what type of floor you have or what you intend on having put down.
We even polish liquid screed which will leave a nice cream finish with no aggregate exposed.
Every Finish is bespoke to you.
Most of all if you have under floor heating then polished concrete will make your heating more efficient as there's no floor covering to create a barrier between the heating source and your feet.