I solved this issue on my S10+ with Samsung Galaxy Watch. I replied to a previous question about this. That thread still shows up in Google search but when I go to it, it says I don't have sufficient permissions as though Samsung is purposely hiding my answer. If you have a Samsung phone, go to Settings/Work Profile/Notifications and Data/Show Notification Content (both to turn that on and go into that menu/enable specific work apps.
If you don't have a Samsung phone, I can't find a way to get this to work, rendering the Galaxy Watch useless for my most important use cases.
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