Yes, It is possible to use a public theme which exists on the Shopify Theme Store. Launching a product duplicate from the Text Editor or duplicating branding elements such as logos or content or custom scripts stays forbidden. […]

When the theme value equals null it indicates that the store utilizes unique store design which does not appear in the official Shopify theme marketplace. Shopify experts along with in-house developers create most themes that appear on the market. […]

The copying of someone else’s Shopify theme is not possible due to copyright restrictions.

Not exactly. You can locate the Shopify theme in use and acquire its purchase through the Shopify Theme Store (if available for purchase). The practice of copying […]