Acces Cesium World Terrain components

Cesium for Unreal
2

Sure, raster overlays are just regular ActorComponent instances. You can get all of the raster overlays attached to a tileset using some code like this:

Cesium3DTileset* Tileset = ...;
TArray<UCesiumRasterOverlay*> rasterOverlays;
Tileset->GetComponents(rasterOverlays);