In the June 2022 release of Photoshop, Adobe is introducing the Cylindrical Transform Warp feature which allows us to curve a flat artwork to a cylindrical surface.
Problem: you're trying to add an Adjustment Layer (such as Curves) to control the RGB values, but all you're seeing is CMYK. Solution: watch this video :)
Photoshop's Knockout options allow a layer to punch a hole through other layers without using any masks. In 2 minutes, we're going to learn how to use this feature.