View a client’s created workouts

From your 'My Hub' page (please see below)

On the left hand side of your account, you will see the side menu where you can select 'Contacts'.

Click a client profile 

Then click 'Assignments' from the list below the client profile picture and then 'Workouts'

If you then switch to 'Created' from the options at the top

This will show you any 'Created Workouts' which your client would have created themselves.