Do you all use peanut oil?

Yes

All of the chicken is cooked with peanut oil. However the waffle fries are cooked with canola oil

Yes, All use the peanut oil. If you have a nut allergy you may need to modify what you purchase there.

Google it. They use 100% refined peanut oil. More on web if u concerned about peanut allergies and FDA with regard to CHick Fil A

They use it on their chicken only. They don't use it on their fries

Im sry, no idea