Here is a couple more of the Substance SBSAR versions of the paintings I showed previously.
You can find the substance on Gumroad here: https://dctech.gumroad.com
Or on ArtStation: https://www.artstation.com/undertow/store
Some Drip Painting variations in Unreal
Some Grunge Painting variations in Unreal
Color, height, normal, roughness and AO