You can review log files in the "logs" directory. For Unix installations the logs directory is under the directory the application files are located. For Windows installations it is in the system’s home directory, typically C:\Windows\System32 or C:\Windows\syswow64\ The logging is performed through a standard log4j2.xml file located in the install directory. You may change the log4j2.xml to put your log files anywhere you wish and/or change the logging level.
In the SSO Connect installation folder is a data/ directory. Inside the data directory there are 3 files. Two of the files contain secret keys generated on the server that must be protected and are utilized to encrypt and decrypt the end-user's auto-generated master passwords. There is also a .sql file which contains a local cache of encrypted data. It is critical that access to this data folder is restricted.