At the moment, Invisalign aligners are agreed to be able to treat many conditions.
Again, it depends on what kind of crowding you are talking about. But, if it's minimum to moderate crowding, there should be no problem.
In fact, sometimes it may even be more effective than braces.
For severe crowding, what it can induce is, some teeth can be very far away, sort of half-buried under the gums and all that.
It does not mean that you cannot do Invisalign but you may need some extra work on these teeth, like attaching a wire or rubber band just to pull the tooth out. But yes, not a problem, usually.