This is what they provided. Still cannot get to work.
1) Using Beaver Themer
-> Here you can install Beaver Themer and under Template Layouts, you can choose Header, where you need to use Advanced Menu in it to display Advanced Menu in the Header.
2) Beaver Builder Header Footer Plugin
-> Here’s the link to our free plugin using which you can design and add the Header and footer and add necessary advanced Module in the header https://wordpress.org/plugins/bb-header-footer/