Left Toolbar > Material Nodes >
Material Split
The Material Split node takes as input a material and adds the images as outputs of the node.
input
material
output
albedo image
normal image
roughness image
metalness image
occlusion image
On the left toolbar choose Material Nodes > Material Split. >
Drag the Material Split icon into the Node Graph.
Connect the output of a material node into the material input in the Material Split node. The node gets updated with the image channel outputs.
material
The material to split into multiple images.
images
The channel images of the material.