You will not get icons when the server is installed. Run the admin console (http://<yourserver>:<port>/adminui and log on. Next, configure the options you need to use to convert your files. First you will need to configure the sources : web services, web UI, watch folders, e-mails. In addition there is a web interface you can use to directly convert files. It is also available from the adminui console (the menu is called Create PDF, in the Services main menu).