Hello, @chrishayes,
1. “Please change the Menu Type to ‘Popup Menu’, If you want to use the hamburger menu.”
This instruction is for the Desktop menu, as if you would like to use the Hamburger menu type on the desktop, then you can use that option, however, on the mobile version, every menu type automatically changes to the Hamburger mobile menu.
2. And for the Mobile header, I have set it for you on your site, you can modify it from here: https://ottawahousesigns.ca/wp-admin/post.php?post=200&action=elementor and please refer to this screenshot: https://postimg.cc/kBxXfL8r
Best Regards,
PThemes Team.