I've been out of the business for a number of years so I'm not fully up to speed on the newest products but as a rule glazing putty is made for small pits and imperfections. Anything larger than a pencil lead size hole should be filled with a different product. Glazing putty shrinks as it dries so give it plenty of cure time before sanding & refinishing. It's designed to be put on over primer.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.