In older Statistica versions like 13.5/13.6, versioning of Enterprise objects can be enabled or disabled through the Enterprise System Options "SDMS integration":
Starting from Statistica 14.0, versioning of artifacts is now fully integrated into the main Enterprise database, and the services that maintain the database; a separate Statistica Document Management Server (SDMS) component or service is no longer included with the product.
The "Versions and Approvals" under Enterprise System Options in Statistica 14.0 however does not provide option to disable the versioning.
The versioning in Statistica 14.0 is always on by design.
There is currently no way for users to turn off the versioning in Statistica 14.0.