Published: The PDF / document is available in the front.
Draft: Won't be shown in the front. Force to draft if no PDF / document uploaded.
Pending: The PDF / document needs to be reviewed by administrator / approved users to be published.
Scheduled: The PDF / document will be available in the front same or after the PDF / document's setting value of: Publish Date&Time.
Expired: The PDF / document is available in the front only before the PDF / document's setting value of: Expiry Date&Time.