Some users are receiving this error when accessing reports on WebViewer 14.0:
CAHVS0311E CA View report list open failed (CCAHVS1104E Unable to qualify selection of reports due to missing CA-Deliver interface (RMOGAM))
They have necessary access and are able to access reports via WebViewer 12.1 or from Mainframe TSO.
Missing access rules
Release : 14.0
Component : Output Management Web Viewer
Grant all users READ/WRITE/EXEC access to the Deliver and View databases across the ACF2 environment. This resolved the issue