Thrive Vendors are used internally to help you:
Organize vendors in one place
Assign products to vendors for reporting
Reorder products using Purchase Orders
This field is for internal management only and does not sync to Shopify
The Vendor field is visible on the Vendors page and the Edit Products page under Vendors.
Shopify Brand/Vendor Field (Syncs to Shopify)
Thrive also includes a separate Brand/Vendor field that is Shopify-specific.
This field will sync to Shopify
Field management is enabled from Settings > Integrations
It is completely separate from Thrive’s internal Vendor field
The Shopify Brand/Vendor field is designed only for Shopify’s requirements and should not be confused with the Vendor field used for Purchase Orders or reporting.
From the old Edit Product page , Shopify's Brand/Vendor field is found under the Integrations Tab:



