What topical therapies and procedures do you recommend for patients with atrophic acne scarring?   

If the patient has hyperpigmentation, then some sort of topical lightening approach (i.e., tretinoin/kojic acid/niacinamide/Vit C/tranexamic acid, etc) or chemical peels. For the actual scarring, assuming that the acne process has burned out, the most ideal procedure depends on the particular type ...