No, when you set up your play area, the PSVR 2 will detect if your space is 2m x 2m (6 ft 7 in. by 6 ft 7 in.) or larger; if it isn't, it will automatically downgrade you from Roomscale to Sitting or Standing mode. If you attempt to play a roomscale-only PSVR 2 game, it will tell you to clear out a larger play area first.
Before you buy any PSVR 2 games, check the PlayStation Store metadata for the "VR Play Style" to see if it only lists "roomscale" as an option. If so, make sure you can clear enough space to play in your living room first.