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This article will explain the process of creating a Security Role with the minimum amount of permissions needed to view a managed password. (This is based off of the permissions found in http://portal.arellia.com/wiki/x/oIADAQ Local Security Permissions for Viewing of Local User Passwords)
Steps:
Allow the Local User resource to be displayed in the Arellia Console
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After clicking the "Show Managed Password" if a window pops up that has an orange circle running around in circles, verify that the permissions above (and found here: http://portal.arellia.com/wiki/x/oIADAQ Local Security Permissions for Viewing of Local User Passwords) are correct and restart the web services (Arellia has most likely cached a security permission that will be reset when the web services are restarted). For more security caching information see: http://portal.arellia.com/wiki/x/EIEgAQ Arellia Security Permissions Caching