Can mupirocin be used for pimples / acne on the body and face?

Mupirocin blocks bacterial growth in pimples so it can be used to treat acne or pimples.

Yes, it can
"Mupirocin Ointment
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Mupirocin Ointment:

Burning; pain; stinging.

Seek medical attention right away if any of these SEVERE side effects occur when using Mupirocin Ointment:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); severe irritation; severe itching."

https://www.drugs.com/sfx/mupirocin-topical-side-effects.html