For end users
Can I exclude Branded Templates from being visible in the My Documents section?
Yes, this is possible.
This is a setting that can be adjusted in the admin. Go to 'Pages' → 'My Documents' → Module: 'Outliner' and adjust the dualist 'Hidden templates' here. The templates listed on the right side of the dualist will not be showing in the My Documents section and can therefore not be re-used by the users.