On Mapbox Affiliate Service's Privacy Page you can request and collect all the privacy and GDPR related information that Mapbox Affiliate Service is providing.
The privacy policy by is a legal document or statement that discloses how Mapbox Affiliate Service gathers, uses, discloses, and manges their customers' data.
The basis for Mapbox GmbH 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.