On Socrata Open Data Portal's Privacy Page you can request and collect all the privacy and GDPR related information that Socrata Open Data Portal is providing.
The privacy policy by is a legal document or statement that discloses how Socrata Open Data Portal gathers, uses, discloses, and manges their customers' data.
The basis for Tyler Technologies 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 Tyler Technologies and who has or potentially will get access to personal data of their customers.