They can. But depends on the therapist abilities too.
Is not a given.
There are times I fall into a hole and feel like nothings changed. And my T is quite skilful.
I need help in those moments to understand what has changed.
Change isn't like a whirlwind. That announces its arrival. It's more like a trudging through mud thing.
But when I see or feel the change, it's like being given the keys of the kingdom