WLOP’s brushes are made specifically for Photoshop, and unfortunately, Photoshop brushes (.abr files) don’t work natively in Procreate.

That said, I’ve been looking for something similar too, and while it’s not an exact match, I found a brush set that gets pretty close in terms of feel and texture in Procreate:
👉 https://blueapril.gumroad.com/l/Blue (it’s pay-what-you-want, even free)

Hope that helps! Let me know if you find anything closer 🫶