Most doctors recommend waiting 6-12 months. 2 years sounds long enough to consider going forward.
Dermabrasion (and laser peeling) can help acne scarring, but the results are usually only
partialPartial (focal) seizure
Partial thromboplastin time (ptt)
Thyroid gland removal, and there are other aspects you will need to factor in: pain, convalescence, after the procedure, weeks of redness afterward, and so on.
This is not to say you shoulnd't consider having anything done, only that you should be judicious and realistic.
Best.
Dr. Rockoff