Returns the rendered contract PDF (base64-encoded) and the list of signatories for the given
pre-onboarding document. The content field is prefixed with data:application/pdf;base64, so
it can be embedded directly in a document viewer.

Authentication

This endpoint accepts any one of the following token types:

• Company-scoped access token (OAuth2AuthorizationCode) — obtained by a company manager through the Authorization Code flow or the Refresh Token flow. See Authentication for partners.
• Company-scoped access token (assertion) (OAuth2CompanyManagerAssertion) — obtained through the urn:ietf:params:oauth:grant-type:jwt-bearer grant for a company manager. See OAuth Assertion.
• Customer API token (CustomerAPIToken) — generated by the customer on their Integration Settings page, with the scopes they choose there. See Authorization for customers.

Scopes

Any one of the scopes in a token type's row is enough. all:read and all:write work too.