When trying to upload a template, you are unable to see the Submit template button.
Check if your edition allows the option to turn custom drive templates on or off for users. If not, you will need to upgrade your edition. If your edition does support the option, you may need to turn it on.
- Go to your Google Admin console .
- Go to Menu Apps > Google Workspace > Drive and docs > Templates.
- Click Templates Gallery Settings then check the Enable custom templates for your organization box
- Click Save.
The current edition doesn't support custom templates or the option is off for the users in the organization.