Capture has released a couple of webcasts focusing on MVR workflows.
Capture has released a webcast Capture Live: MVR Workflows, focusing on MVR workflows:
For exporting to ETC EOS, see this webcast Capture Live: Exporting glTF to Eos , which describes export to EOS via MVR:
As for MVR, current MVR Specification can be seen here, the upcoming MVR Specification being prepared for DIN Spec can be seen here.