If you’ve enabled the developer mode seat, granting view access to the respective email ID should allow users to access the code format in Figma. However, even if you have a full seat enabled in view mode, the code snippet in developer mode remains invisible, posing a problem,
Check below screen shots fore reference:
Yameen 👓 has full seat yet cannot see Code in dev mode
The User has View access and also have Full seat
Permission is provided to user