Solution : https://service.sap.com/sap/support/notes/783185 (SAP Service marketplace login required)
Key words :
visual administrator -> server -> services -> configuration adapter configurations -> cluster_data -> dispatcher -> cfg -> services -> property sheet iiop-runtime, configtool -> cluster-data -> global dispatcher configuration -> services -> iiop check, -> cluster-data -> global server configuration -> services -> iiop2, -> configurations -> cluster_data -> server -> idxxxx -> services -> propertysheedt, prerequisites adobe document services required iiop service, error adobe document service, restore original configuration, adobe document service, configured iiop start, <port>/adobedocumentservices/configthen