Ok.
Pls correct if I misunderstood...

1.Server has a NFS file system which is served to clients.
2.automount deamon works on server side.
3.If server side automount daemon doesn't work, client side automount can not mount remote NFS.
4.Client side automount meant "remote folder mapping"

As I explained in previous posts this is the normal case, but not the only case.
No, as stated previously automount on the server side does nothing, automounting is a client operation.
no, see previous
No, it means mapped, "on demand" mounting. The desktop idiom "folder", is generally not used in the Unix world. In the Solaris implementation mouting is a filesystem operation, not a file(directory) operation.
Automount uses maps, but the maps are the mapping, not the automount.

There is lots of information on https://docs.sun.com about this, I think you would find it more useful to get the appropriate documents and work through the examples in them to understand how this works.