The URL depends on how your company/instituion set it up. Mine is for example visualize.companyName.com
There is a public version you can do a 2 week trial on, but AFAIK there isn't a free unlimited public version at the moment.
I understand SAS Visual Analytics is web based, what is the link to log into SAS Visual Analytics?
In most environments not all users who have access to SAS will have access to VA. You may need to request for access to VA. Contact your Admin or someone in your organization for additional details for getting access to VA.
See how to use one filter for multiple data sources by mapping your data from SAS’ Alexandria McCall.
Find more tutorials on the SAS Users YouTube channel.