1. How do I Manage Hide/Show Footer Address info
In WordPress Dashboard go to the Appearance submenu and click on Customize.
After clicking on customizing you will in theme Customizer.
Here you have to click on Footer Section than Footer Address Info
In the Setting tab, you can hide and show the Address info by clicking on hide/show button.
Go to Customize -> Footer Section -> Footer Address Info -> Settings -> Hide/Show Section
2. How do I Manage Content in Footer Address Info
In WordPress Dashboard go to the Appearance submenu and click on Customize.
After clicking on customizing you will in theme Customizer.
Here you have to click on Footer Section than Footer Address Info
In Content Here you can manage Footer address info.
Go to Customize -> Footer Section -> Footer Address info -> Content