You can build your header & footer using Elementor and set them in Layout Builder Options.
You can create your header & footer template and show it anywhere using with Layout Builder.
Header builder is one of template builders that Alpus provides. It helps you to build any types of header faster and easily with Elementor page builder. You can manage your site headers at Header Builder section in Alpus > Templates page.
Footer builder is one of template builders that Alpus provides. It helps you to build any types of footer faster and easily with Elementor page builder. You can manage your site footers at Footer Builder section in Alpus > Templates page.