place the rotator between the texturecordinate and the uv input of your texture. Every texture that has the same texcoordinate and requires the same amount of rotation can be plugged into the same rotator. Any texture that has the same texcoordinate but does not require rotation can be plugged directly into the tex coordinate (ignore the rotator). As always if multiple textures require different textcoordinates and/or rotation you must create new textcoordinate / roatation nodes accordingly. Reuse nodes as often as possible to reduce clutter, you can have multiple outputs on each node.