Why is nothing appearing when using the 'Face Set' feature in Sculpt mode? Learning Blender with Blender Guru. He used a Face Set feature in Sculpt Mode to define different zones on the sofa. When I use the command nothing appears. When I click on my object there is no colour appearing it stays grey. When I select Face Set by UV Seams nothing changes either.
Is there a setting I am missing. Display Face Set setting or something?

I can see facesets and use the tools but only in Layout mode, then select 'Sculpt Mode' from the top left. If I'm in the sculpt workspace I can't see the facesets. Blender Guru mentioned there is a bug where your cant see the facesets if you have modifiers (subsurface modifier) but this was not the case for me.
You have to go the the modifiers tab and then click the small monitor icon. This will hide (not delete) the subdivision surface modifier. This will then show you the UV Face Sets