Shadows and water reflection


So i’m pretty new still in the world of unreal. I’m trying out the AR template (architecture) to show of a building. As seen on the pictures below, i’m having trouble showing shadows on/in the building and reflections in the water.

Could you explain to me why my shadows and water reflections are not translated when i view my model in AR?

Perhaps I’m not understanding correctly but I leave my direction light and sky light in the scene correct? Or do I need to export the lighting too?

I made my water using this tutorial:

Thank you :slight_smile: