When sending out documents for signature it might be, depending on the case file type being used, that some roles only signs some of the documents and other roles signs other documents. You can set up you case file so the signers will only get access to the documents that they sign along with documents that are attachments not being signed.
The signers can also only see their own documents after the case file have been signed by all and finalized in Penneo.
How to activate the feature in Desktop application
How to activate the feature in Web application V1