@Tiritibambix You could create a “personna” to be your social media manager, and get an android device for this personna, with location and tracking turned off, and limit app permissions. Do not use that device for your personal stuff, and do not post to the business social media from your personal device.

It’s not a fool proof perfect privacy way to do it, but should be good enough to keep your real personal data away from social media trackers.