Hi Nageswara Rao,
Consider an example you have an one creator license
1) You can publish workbook
2) You can publish data source
3) you can assign permission if you have project leader role
4) You can connect to tabcmd using rest api, Tableau Python Client
you can use this license in on premise server
you must buy one server and install in your office premises. use this Server license to publish workbook, datasource etc.