WoodMart theme allows creating footers of different layouts and colors In Theme Options -> Footer some predefined variants of column structure.
if you set the footer layout in Appearance -> Widgets so you can edit this footer widget.
The other way is to add HTML Block to the footer widget area. To do this, you need to go to Theme Settings -> Footer and select the “HTML Block” as the Footer Content option.
There you can edit the footer in the page builder. https://xtemos.com/docs-topic/set-up-footer/