I have never seen the first one out - and she is in the area where a lot of my friends live, where my university is and where there are a lot of restaurants etc.

The second one I may have seen out before I started paying her as a therapist - she was part of a group a friend of mine was in - but I don't really recall particularly paying any attention to her.

I don't know how they would specifically prevent it unless they had an invisibility cloak, lived a long way away, or went from home to office using underground tunnels like moles and never left into the open air.
The second one has said if she shows up someplace and sees a client - she leaves.

I honestly do not think I would recognize either of them out of context -nor them me for that matter.