Most documents pertaining to hardware can be found in the documentation section of each product page. This includes the complete SoM datasheet and its carrier board, 2D and 3D mechanical files, carrier’s schematics in PDF form, radiation tests and more. Information regarding software can be found at Variscite Wiki.
Carrier’s OrCAD schematics, layout files and software source codes are available on Variscite’s FTP. Ask for login details from your account manager.