1. How do I Manage Hide/Show Map, Address, Sponsor & Contact Section Setup in Send Wishes Page
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 Page Template than Send Wishes Page
In Setting you can hide and show the Map, Address, Sponsor & Contact Section in Send Wishes Page by clicking on hide/show button.
Go to Customize -> Page Template -> Send Wishes Page -> Setting
2. How do I Manage Content on the Send Wishes Page
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 Page Template than Send Wishes Page
In Setting, you can Change Title & Subtitle, Description, Button Label & Button Link.
Go to Customize -> Page Template -> Send Wishes Page -> Content
3. How to Create Send Wishes Page Template
Go to Dashboard -> Pages-> Add New Page -> Follow screen shot here.