Storyboards may not be done for VFX projects, however you may come across "Previs''. Previs Artists create rough, most times grayscale 3D models and environments, to place in a scene in order to map out the general camera angles, layout and animation for a scene.
The Layout Artist will use storyboards as reference to create camera angles for a scene, as well as placing or 'laying out' the props and environments made by the Modelling department.
A Rigging TD has the responsibility of creating the backbone of a character, literally. The role requires someone to have an understanding of performance, human anatomy as well as a firm grasp of coding languages.
FX Technical Direction, or FX Artists are usually involved in the pre-production planning of a project as they will require a lot of research and development time if the special effects are complex.
Creature/Groom Technical Directors create believable hair, fur, and feather grooms for characters, props and environments. Groom TDs work closely with Creature TDs regarding the requirements for their workflow.