Here is a summary of the approval statuses and their meaning:
Status  | Meaning  | 
|---|---|
No status (Prinergy) / Work In Progress (Prepress Portal)  | No status has been set, or a Prinergy user cleared the status.  | 
Approval Not Required  | A Prinergy user selected this setting to indicate the page will not be reviewed.  | 
Approval Requested (Prinergy) / Approval Required (Prepress Portal)  | A Prinergy user selected this setting to enable Prepress Portal users to review and approve the page.  | 
Approval in Progress  | A Prepress Portal user has reviewed the page, but not approved it.  | 
Waiting for Correction  | A Prinergy user selects this setting to indicate that corrections are in progress.  | 
Approved  | A Prepress Portal user has approved the page.  | 
Rejected  | A Prepress Portal user has rejected the page.  |