Yes you are a very typical case of patient we see all the time. Someone who went to a hard-sell non medical salon for acne treatment - it's not surprising that you got no results.
Oral medications like isotretinoin often will give results but there must be follow up management because acne issues are often a constant and chronic problem depending on lifestyle and many external factors.
The tricky part is that before you treat acne scars, active acne must be controlled or new scars will be formed. Furthermore, some acne scars treatment like fractional CO2 laser which is one of the gold standard for acne scars.
Therefore you need to manage your acne control first with medical facials, topicals and maybe oral first and once the active acne is well controlled, we can look at treating the acne scars.