Can a 2 stage paint finish be repaired?

Upon my inspection, I learned the doors weren't even opened leaving unpainted surfaces! the trunk was not opened, but he managed to lose the key, but no paint applied to trunk gutters. hood not raised, This is not something I would not care to continue with this person. My question is can you smooth out the dirt in the clear, and finish the unfinished jams etc. Some of it looks good, but the bumps in the clear, and fisheyes are unnacceptable. It should look new. I didn't wait around. I paid a 500. Deposit was to pay additional 500. when done I also supplied 785. in materials. Not looking for this person to touch it again. When I saw carnage, I drove Car home. Just want to know if fine sanding and buffing can remove fish, and dirt/bugs?