Why would NR report against Fusion run for one user but not another?

Hello. There are several posts about creating a connection to Fusion within NR and then having users run reports but none of them seemed to address the issue I have. NR and Fusion are in separate Oracle cloud environments. I have a native admin ID in the EPM cloud and a separate native admin ID in the Fusion cloud. They happen to be called the same but have different passwords. I logged into NR and created the connection to Fusion using the Fusion ID and that tests successfully. I created a data source and a report and can retrieve data