I have read in other topic that sections addon is for make simple sections and it is not compatible with a page builder. I already use it for sections, but I would like to use a Page Builder plugin to make sections with more complicated elements.
I installed siteorigin page builder and I see I can not make full width sections in GP (I have been said that with Thrive Content Builder the same happens). When I try it, it only goes until the container sides.
Site Origin Page Builder doesn’t always mean people want the full width container, so I can’t add it to core, but you can easily make the container fluid like this: