For acne scars and large pores, there are various treatments than can be used including chemical peels and laser treatments.
The fractional laser is good treatment option for depressed scars. Usually 3 to 4 sessions may be required and the expected improvement is estimated at about 30 to 50%. There may be a downtime of 3 to 7 days with this treatment. In some cases, this can be combined with subcision for some of deeper acne scars.
It will be good for you to consult your doctor for a proper examination to advice you on the most suitable treatment options for you.