No problem

The biggest issue when covering in fabric is ensuring that there are no big pits or high spots. Light scratches are only really detrimental to finishes you want to paint, in which case you have to go much finer.
A good trick to ensure it's all going to look good is to use a "guide coat" - black spray paint or something. Put on a dusting of your guide coat, then sand back. You'll often find that large areas aren't level with the rest of the build and need building up a bit or sanding back a bit more.