You are seeing this because you also might be having questions related to what's been written above.
To answer to all of these, no, you will not be able to edit such features since templates are preset with no. of scenes, transitions, caption mandatory text boxes and other features.
You can add media but not remove the number of scenes it has.
In short, you will just be able to change the content, not the look and feel of it.
If you really want to go for the custom template(removing the number of scenes, changing the basic colour), get in touch with me by: