You can create a Coming Soon page in two ways:
using Teaser page template;
using Visual Page Builder shortcodes.
Create a new page under Pages > Add new sub-tab.
Select the Teaser page template from the Templates list in the right sidebar of the page.

Publish the page.
After publishing, refresh the page. A Teaser page settings box appears with the following options:
- Date: choose the target date of the event. It will enable a counter on your page. - Background image: lets you upload a background image to your page.
- Show subscribe form: you may enable the subscribe form for your page.
- Page description: you can input a description on the page if needed.

When you are ready, save the changes and view the page.
Create a new page under Pages > Add New sub-tab.
Hit the Unyson Builder button to access the Unyson Builder editor.

Compose your page using Unyson elements.
When you are done, you may also disable page title and footer sections on the page. It can be done in Customize design box under Stunning header and Footer tabs.

When you are ready, save the page.