Grant Abbitt shows how to make PBR Materials using Poly AI Text-to-Image engine.

Adobe Substance Sampler allows artists to create realistic materials from images or a single image. If you are looking for another solution, that might be Poly AI. This new (sponsored yet still helpful) video from Grant Abbitt covers working with Poly to create any PBR material quickly.

Poly is a text-to-image PBR material tool where you can type in a prompt, make simple setting changes, and have an effective PBR material in seconds. You can even use it to create PBR from your single image.

Also, check out this related tutorial from The Happy Toolbox shows how to create PBR materials using an AI service called Poly.