Working on Visual Composer

Hi Guys,

I have access to BI 7.0 with SAP GUI installed on my system (only BI 7.0). I want to work on Visual Composer. I was told by my account provider that

I have all the required roles including VCRole.

Can somebody please tell me what should I do to access Visual Composer? Is there a separate GUI i need to install? What are the components needed?

Thank you