UNREAL 4 - Canot rotate my character´s camera with "set view target with blend", why?

Hi

I wanted to select a character then blend my RTS camera to my character´s cam, i used “set view target with blend” and it did worked, BUT i canot rotate camera around my character, i can only see through the camera, i canot control it, so i tried with posses…but this did,nt worked with my movable AI character, but i asked for help and some one told me “set view target with blend” was the right choice… then how can i make it rotate the camera of the character i select?

Please help, Thanks