Pitted Scars Best Removal Treatment For Pitted Acne Scars?

Best removal treatment for pitted acne scars? - pitted scars

I have to get rid of 3 on my face the other day, I need them. I saw, but I know that this is the best treatment for scars is not faced with acne scars.
Dermabrasion,
chemical peels,
Injectable collagen
Laser
Transplant shock
Autologous fat transfer,

Which is better?