To aquire SagDD server account for Rocker Dongle, You need to provide Rocker Smart Card ID to reseller. You'll then receive user/pass for server for first time.
You dont need to register Rocker at SagDD web page.
Next, if Your preffered reseller have no idea how and where to get logs, You can contact me directly, its very easy in fact.
Here is user manual (generic) about how to use SagDD software with rocker dongle : http://www.unlockforum.com/showthread.php?t=4336