On Nielsen Attribution (formerly Visual IQ)'s Privacy Page you can request and collect all the privacy and GDPR related information that Nielsen Attribution (formerly Visual IQ) is providing.
The privacy policy by is a legal document or statement that discloses how Nielsen Attribution (formerly Visual IQ) gathers, uses, discloses, and manges their customers' data.
The basis for Nielsen 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.