The PageLines Framework offers several Page Templates for you to use when configuring your sections. However we realize that the ones provided either aren't always enough or their names might get confusing. (Ideally, we’d love to allow you to add & rename templates via the Template Editor, but because of a WordPress quirk we can’t. See the WordPress Ticket here.) Until that tiket gets resolved, you will have to add your Custom Page Templates manually.
Your new Custom Page Template will appear inside the Template Setup as long as the PageLines Customize plugin or the Base Child Theme remain active.