Your STRATUS account allows for one Production Environment for hosting your live store. For more on Magento modes, see the Magento 2 documentation Production Environment These Environments are not the same as the production and development 'modes' in Magento 2.
In STRATUS, you may create two types of Environments: Production and Development. Manually Uninstalling Magento 2 Extension Using MagePack to Speed Magento 2 JS Delivery Using Baler to Speed Magento 2 JS Delivery
None Of My Site Changes Appear In Magento 2 Multistore Subfolders Configuration Method