Why are manage approvals not showing the same thing as the BPM worklist?

Summary:

I have an end user who is unable to see all of their journals awaiting approval through Manage Approvals. He is able to view the approvals through his BPM worklist. This is a recent change. He usually approves all of the journals through Manage Journals rather than through the worklist. Does anyone know why these areas would show something different?

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