Yes, users who have the right to tag are able to personally create new tags, when they publish a content or in retrospect. When creating a new content, the tool probes them to select the category in which they want to add this tag.
💡 Note
For the purpose of managing tags, we advise to limit the categories to guide the creation of tags to the category of orphan tags, called 'Other tags'. The administrator or system coordinator will then be encouraged to perform tag gardening among the created tags.