Working in the template editor on a template with a number of formats you will find that, by default, adding copy to one format sees it added to all your other formats in random positions on each.
If you only want to add copy to the format you are working on, you will need to toggle off 'Edit all' under Formats on the right hand side:
When copy is applied across all formats it is not placed using an AI tool or model of any sort and is placed randomly on the format.
It is another key reason why having a Human-in-the-Loop is so important when working with Pencil generated content.