SAP Build Work Zone is a service on SAP Business Technology Platform (SAP BTP) that runs on the Cloud Foundry environment. It is not available on the NEO environment, nor as a standalone on-premise solution. SAP SuccessFactors Work Zone is a product that provides HR-specific content and integration with SAP SuccessFactors HXM Suite on the SAP Build Work Zone, advanced edition solution. It is not a separate module of SAP SuccessFactors, but rather a complementary offering that enhances the user experience and productivity of HR processes. References: What you should know about SAP Build Work Zone, standard and advanced edition – formerly known as SAP Launchpad Service and SAP Work Zone | SAP Blogs, SAP Build Work Zone, advanced edition | SAP Help Portal, SAP SuccessFactors Work Zone | SAP Help Portal