This is a premium feature available with Astra Pro Addon plugin. To use these Pro features, you need to have the Astra theme along with the Astra Pro Addon installed on your website.
It allows you to add 7 different footer widget layouts to the footer.
You can activate the module from Appearance > Astra Options > Footer Widgets
After activating the module, you can find the settings under Appearance > Customize > Footer > Footer Widgets
Footer Widgets Layout
You can choose any layout out of 7 available layouts. After selecting one of the layouts you would be able to add widgets from Appearance > Customize > Widgets
After selecting a layout you can set the widgets for each area under Appearance > Customize > Widgets > Footer Widget Area.
Choose any WordPress default widget or you can use any third-party plugin to add a widget to the list.
Footer Widgets Padding
You can add padding for footer from all sides.
Footer Widgets Width
It will set a footer to full width no matter what your container width is.
It will set a footer to container width set under Appearance > Customize > Global > Container > Width
Footer Widgets Colors and Background
With the Footer Widgets module, you would get Background Image option along with default color options.
Footer Widgets Typography
With Footer Widgets module, you can set typography for Widget Title and Content under Appearance > Customize > Footer > Footer Widgets > Typography