Certain content blocks are not available within the footer. To see what content blocks are available:
1. Access your Footer under the Content tab (Footer is available under the Global Contentsidebar on the right). Here, you can edit your Footer with content blocks, as well as remove/delete blocks.
2. Click on the green plus sign to see all of the content blocks available in the Footer.
Note: Custom content and items can be added to the Footer with the help of a developer or designer. Give us a call or send a support ticket to discuss further.