You must have an active Microsoft Azure account to sign in to Azure Portal. For evaluation purposes you can subscribe to Azure for a trial period. For more information, please visit: http://azure.microsoft.com/en-us/pricing/free-trial/
With Microsoft Azure, you must "bring your own license" (BYOL) for the Haivision Media Gateway/SRT Gateway. You can choose from different licensing options. Please contact your Haivision representative to discuss your options. See (3.8.1) Licensing Your Server for details.