Hello @gustogambia,
To make the social menu button appear in the footer Please follow below-given steps:
Step 1: Create the social menu including your desired custom Links like facebook etc by going to Admin Panel > Appearance > Menus.
https://prnt.sc/ikpztn
Step 2: Now assign the social menu to the Foote Menu Location either by going to Admin Panel > Appearance > Menus or from Admin Panel > Appearance > Customize > Menus > Menu location.
Hope this helps.
Best Regards!!
Have a good day 🙂 .