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