They are very interesting fish. I enjoyed mine when I had them alot.
I would say minimal sandbed if your keeping them. That way there is very little if anything they can disturb. They will just safely hide in rocks if there is no sandbed to disturb other than light cover. Rocks need to be anchored/placed well of course. But with out the sandbed the risk of shift is way less and the gobies have no sand to kick around and make a mess either.
everyone may have a slightly different experience. But in mine, they moved my entire sandbed- eveywhere. I never had any rock shift problems anyways. Most corals in that tank were all up on the rock work too. So no real disturbance for them.
However, once I wanted to try some bottom corals. I opted to get rid of them. As they could bury or partial bury some corals with their activity.
If you have a minimal to NO sandbed. You'd be ok. With a sandbed, I'd say it's not ideal at all. Unless you don't keep bottom corals and don't mind the constant changing looks of your tank bottom with the sand moved everywhere.