Chanserv basically has two types of access options..one is using the access and levels commands, the other is using the AOP, SOP, & VOP commands

For more help with chanserv type /msg chanserv help

For more detailed help use /msg chanserv <topic> help

The available topics will be listed from the first help command I gave.

If you're still having trouble understanding how to use chanserv, join the help channel for your network (usually #help) and ask there.