Example systems and related methods may relate to a way to efficiently incorporate authentication to cloud-based review and approval processes. In an example embodiment, a workflow service operating on a network may send a request for document approval to a mobile computing device. The request may correspond to a document. The mobile computing device may be configured to display a graphical identifier that relates to the document for review. The graphical identifier may be scanned via a multi-function printer (MFP) device, which may send an authentication query to the workflow service. The workflow service may determine an authenticated user based on the authentication query and provide a printable version of the document. The MFP may thereafter print the document for a user's signature. After signature, the signed document may be scanned in at the MFP and uploaded to the workflow service.