The Footer is composed of two parts that are Footer Top and Footer Columns or Widget area . Thus, now you can guess that you will have to use not only Customizer but also Appearance>Widgets to make adjustments to the Footer.
You can see available widgets on the left side and 4 sidebars belonging to Footer: Noo – Footer Column #1, Noo – Footer Column #2, Noo – Footer Column #3 and Noo – Footer Column #4.
You can see available widgets on the left side and 4 sidebars belonging to Footer: Noo – Footer Column #1, Noo – Footer Column #2, Noo – Footer Column #3 and Noo – Footer Column #4.
Drag Text widget on the left side to this sidebar> click the triangle icon on the right of the widget> complete options> Save
Drag Custom Menu widget on the left side to this sidebar> click the triangle icon on the right of the widget> Enter a title, select Patient Guide Menu in the drop-down list > Save
Drag Text widget on the left side to this sidebar> click the triangle icon on the right of the widget> complete options> Save
Drag Text widget on the left side to this sidebar> click the triangle icon on the right of the widget> complete options> Save
Refer to this link to learn more about Footer settings in Customizer