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