No. Blueprints runs at runtine, except construction scripts. That can run in the editor once. Or as many times as you run it but its not something that is constantly running.
I am not familiar with construction scripts tbh. Is there somewhere I can get a construction scripts for cameras that freezes or locks it? I don't get why the devs couldn't just add a lock camera feature. This is something that a lot of archviz people need when working. With this construction script,it means I would need…