Independant Level Camera ?

I noticed in a tutorial on FB using a blank character pawn with attached camera to have an independent camera. Wasn’t sure why but it seems a lot easier to set up.

I followed UE4 documentation but am now stuck. Added camera actor and set up to use in Level BP which works fine, but want to add controls so added a BP for the cam. It won’t even return a screen print using mouse inputs.

I’m sure I’m missing something.