yes you can use the same thing for icserver and it will be logged to the syslog.log
Here is the procedure for the debug enable log file:
##########
1) Edit the File
/www/classpath/com/cisco/nm/config/archive/config.properties and change
the value of DEBUG=0 to DEBUG=5.
2) Stop ChangeAudit Process by executing the command in CLI
pdterm ChangeAudit
3)Start ChangeAudit Process by executing the Command in CLI
pdexec ChangeAudit
4) Do an Update Archive for the Device in question.
5) get the ChangeAudit.log file from /log/ directory.
phil