Creating a live feed in game score board

Unreal Engine Marketplace has a great example project that you can look into for this.

You’ll find this in one of the showcases under the name of ‘BlueprintExamples’ that features a way to look through cameras throughout your level, all through blueprints.

https://docs.unrealengine.com/latest/INT/Resources/Showcases/BlueprintExamples/SecurityCameraAndAlarm/index.html