To add a custom footer in a specific page, ensure you have a few custom footers ready. Navigate to Footers > All Footers to see the list of available footers. If you have custom footers ready, you can take the following steps: 

• Click on the “+” button on the title bar of your WordPress dashboard and click on Pages. 
• Give a name to the page as per your preference. 
• Do not forget to turn off the Banner display from the bottom left corner of the page. 
• Click on publish.
• Click on Edit with Elementor 
• Click on the Add Template icon just beside the “+” icon of the Elementor canvas. 
• Navigate to My Templates
• Pick from any of the template you want to display on the page
• After that import any of the custom footers that have been already created in the same way.
• After the import is complete, you will have the custom footer on that specific page.