Theme provided 2 ways to create and edit footer content. You can select one you want to use.
First please navigate to Appearance > Customize > Footer > General > Display Footer Content From and select “Footer Content”
Create footer content posts
This option you can create multiple footer content and edit it using Elementor page builder which provides very flexible layouts for each page.
We are using Elementor Page Builder plugin so you can use its drag&drop user interface to create your footer contents.
Please navigate to WordPress Dashboard > Footers > Add New Footer. Then enter its title and click “Edit with Elementor” option.
You can customize footer columns, contents including social icons, buttons, logo image etc. using Elementor widgets from there.
Setting up Footer content to pages
Once you save all changes for footer content. There are 2 options to set it up to pages.
First you can select it as default footer content for all pages via Appearance > Customize > Footer > General > Default Footer Content.
Second you can overwrite default footer content on selected page using Page option > Page Footer.