Acne scars trouble pls hlp?

ok dis is my story i used to have loads of acne back in school days it was horrible now im 20 they have all cleared up that im so happy about the thing is i dont get acne nomore well just the one or two on my face but i have scars left over and thats the only thing i want to get rid of i also have holes on my face so plz has any1 experinced acne scars and have they got rid of them or faded them out im happy about not getting so many acne anymore but got to get the scars sorted ive been using bio oil for 4 days only on my nose cuz i get oily skin