Ah ok, now I understand you. UE allows you to apply any material you create with texture maps to any one of the meshes which are included. It sounds like what would suit you though would be the Decal material. which can be projected onto existing meshes within any scene you create.
You can find more information at the following official documentation; Decals | Unreal Engine Documentation
No, we don’t use Discord I’m afraid but the email address above is constantly monitored and will be answered promptly.