There’s been talk they would take it easy on him because as this article states, he will still have some pain but is unlikely to re-aggravate it
https://www.google.com/amp/s/chicago.suntimes.com/platform/amp/white-sox/2021/5/28/22459330/white-sox-outfielder-adam-engel-in-a-pretty-good-spot-during-rehab-assignment