Yes, papiNet User Groups have documented use cases. The use cases are published on the User Group home pages on www.papinet.org.

Do I need to include all elements listed in a papiNet e-Document?

No, papiNet User Groups have worked out subsets fulfilling the needs for their market segments. The content of the e-Documents vary by the use cases. Use cases documented by the User Groups are published on the User Group home pages on www.papinet.org.