Is PicoFraxel laser effective for pores and acne scars?

Hello, I am a male office worker.

It’s because my skin texture looks messy overall due to acne scars from my school days and enlarged pores on my cheeks.

My pitted scars aren't covered even with sunscreen or BB cream, so I'm thinking of getting laser treatment at a dermatology clinic. I've heard that procedures like PicoFraxel or Potenza are effective for shrinking pores and regenerating pitted scars.

I am curious if the procedure is painful and if the redness persists for several days, interfering with daily life. I would also like to know if at least three sessions are typically required to see noticeable changes. I would appreciate it if those who have received laser treatments for pores or scars could share their honest reviews.