Learn how to use the FREE Camera Shake Previewer plugin that comes with Unreal Engine 5.4 and up.
The Plugin allows you to view your Camera Shake, live in the viewport and adjust your Camera Shake settings in real-time without the need to use a Level Sequence. This method is extremely helpful in developing/troubleshooting your Camera Shakes settings.
https://dev.epicgames.com/community/learning/tutorials/O4V3/using-the-camera-shake-previewer-in-unreal-engine-beginners-tutorial