I just purchased the Vue 2 yesterday and have it up and running. I’m in the UK, so the installation is slightly different. Our consumer boxes have nowhere near as much space as US breaker boxes, especially when they have been added to over the years. However, I have two consumer units, each with seven circuits, so I was able to get all the clamps on.
Here to understand how people are using their Vue2 units and see what I can learn