From what I can tell in the pictures, most of your acne scars are of the rolling or depressed type. These do very nicely with injectable fillers. I honestly do not think you will see long-term improvement with lasers or chemical peeling. In our practice, we use liquid injectable silicone for acne scars. It is ideal as it is precise and permanent. Click on the link below for before and after photos of similar acne scars treated with just silicone.
Web reference: http://www.barnettdermatology.com/treatments.php?id=24