You want to determine how to locate reporter 10.x configuration (.cfg)  files from reporter troubleshooting logs

Similar like reporter 9.x reporter 10.x also includes configuration files (i.e preference.cfg ), located inside reporter 10.x diagnostics logs. Once the diagnostics archive file is extracted locally , Navigate inside the extracted folder\data\bluecoat\bcreporter\server\diagnostics 

There will be an archive file under that directory named as "reporterdiags.zip" , which includes another 3 folders named as data , opt , var .

After extracting reporterdiags.zip navigate under \data\bluecoat\bcreporter\server\settings . All configuration(.cfg) files are located under this directory 

To modify specific reporter configuration file follow TECH247392