In the CollabOS onboarding experience, you can choose from 8 languages. However, the onboarding and settings applications, for the time being, will show all the text in English. Additional languages will be added in upcoming updates.
For Zoom Room Appliance, 8 languages are supported, visit the link below for more information.
https://support.zoom.us/hc/en-us/articles/-Change-your-language-on-Zoom