Could you provide URL and temporary wp-admin access?
Theme Options > Footer > Footer layout > Show Footer Demo Blocks > Off, Theme options > General > Enable Old Widgets Panel > On. Appearance > Widgets > check content of the Footer. Enable Elementor for static blocks https://gyazo.com/c44ec88c0bf24793ba441ffb5b5201c6 , then you will be able to edit the content of Footer static block, and so on.
