Build a multi-page PDF with one page per annotation — for movies, the extracted frame at the annotation's time; for pictures, a copy of the picture with the annotation rendered. Returns 400 if the preview has no annotations.
GET
/actions/preview-files/{preview_file_id}/extract-annotated-frames-pdf
curl \
--request GET 'http://api.example.com/actions/preview-files/a24a6ea4-ce75-4665-a070-57453082c25/extract-annotated-frames-pdf' \
--header "Authorization: $API_KEY"