need help with some minor body work

Ouch!!!
Man that suck's You need to D.A it first ( feather edge) prime the spot's use some 2stage spotputty if needed then re prime sand the primer with 400 scotchbrite(red) the whole panel tape off the car wash the panel with wax & silicone remover tack rag it spray yourspots and clear the panel. I have never used rattle can's for this! For your dents you need to hammer and dolly them out and repeat above.
Hope this helps you out.