In WordPress Dashboard go to Appearance submenu and click on Customize.
After clicking on customize the theme Customizer page will appear .
Here You have to follow this Path : Go to Customize -> Frontpage Sections -> Cta2 Section
Now after reaching here you can Add Section Title , Subtitle and Description in Cta2 Section.
Then click on Publish.
Please follow this Screenshot for Reference :
In WordPress Dashboard go to Appearance submenu and click on Customize.
After clicking on customize the theme Customizer page will appear .
Here You have to follow this Path : Go to Customize -> Frontpage Sections -> Cta2 Section
Now after reaching here you can manage different contents in Cta2 Section.
Then click on Publish.
Please follow this Screenshot for Reference :