I have few scars on my cheeks due to acne. I came across a dermatologist in toronto who does acid treatment to get rid of your acne. Each treatment costs around $400 dollars and he targets all the scars on ur face. The treatment should be done every 3 months.
I started this treatment last year february. You won't believe what a difference it had made to my skin. I've had 3 treatments so far and my face has recovered 75%. He said I need one more to erase last traces of my scars. My face wasn't soo bad to begin with but I had some deep scars that made my face look bad. There is never a permanent removal of scar treatment but this treatment is almost close to permanent.
As for your mom. I would try Restylane- cosmetic dermal fillers made of non-animal-based. Its better than Botox cauz it doesn't freeze ur face. The results last for 6-8 months. Each treatment is $600 dollars. If you are looking for more permanent treatment- try wrinkle creams from sepora. They take their sweet ass time but work.
Hope this helps.