On Optimizely Web Experimentation's Privacy Page you can request and collect all the privacy and GDPR related information that Optimizely Web Experimentation is providing.
The privacy policy by is a legal document or statement that discloses how Optimizely Web Experimentation gathers, uses, discloses, and manges their customers' data.
The basis for Episerver (Optimizely) sharing, adding, uploading, hosting, accessing or sending personal data out of Europe. Vendors can also add a description of their own impact assessment for data transfers.
Subprocessors are companies that provide a service for Episerver (Optimizely) and who has or potentially will get access to personal data of their customers.