When you load a Substance Texture preset into the Action schematic, multiple nodes are added and connected with different types of links, as a type of Substance group. You can work with the menus of the various nodes (such as the Parallax node) as you would if you had added the object manually.
Keep in mind the following when working with Substance Texture presets in the schematic and menus:
Media is automatically applied to these mapping nodes, and can not be changed.