To begin, navigate to the Toolbar > Edit with Elementor > Footer Home 1
Or go to Templates > Theme Builder > Footer > Footer Home 1 > Edit with Elementor. Control the layout, conditions, rules and styles of the footer template.
The Ativo theme presents a different footer template for each homepage.
You have to adjust the Display conditions of the footer you'd like to be visible on all the pages:
Please check these guides for further information:
Create Footers Using Elementor
Guide to Vamtam Elementor Builder