Is there a way to load and unload a map based off my character first person view to increase performance?

is there a way to load and unload a map based off my character first person view to increase performance?

This is already happening for you. Basically everything that the camera is not looking at is removed and not drawn.

is it really? is the some documentation i read on this?

it’s called Occlusion culling Visibility and Occlusion Culling in Unreal Engine | Unreal Engine 5.1 Documentation