On Powertools for Google Drive's Privacy Page you can request and collect all the privacy and GDPR related information that Powertools for Google Drive is providing.
The privacy policy by is a legal document or statement that discloses how Powertools for Google Drive gathers, uses, discloses, and manges their customers' data.
The basis for Designed4Work 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.