acne scars is of differnet types, hypermpigmentation, erythema icebox scars rolling scars pitting scars keloid and so on
every type os scars need specific treatment
there different type of medication iclude topical application, laser resurfacing, dermabrasion, chemical peeling, dermaroller, filler and so on
so the dermatologist is able to determine what you have and what is suitable for you condition
howver as general role if your skin type is white you will be good if dark the result is not ususally good
thanks