Currently, when you add Customer Voice Survey Responses Satisfaction metrics and Sentiment columns to system views they are not rendering as expected. Satisfaction metrics are showing as a GUID instead of using a friendly name (see example of what is populating below) and Sentiment is not even populating in the view. 

How Satisfaction metric renders in system view

[{"id":"9a6a43b2-bb68-424e-a5d5-2af54b64f3cb","type":"csat","value":"4","decimalValue":"4"},{"id":"5137d0c9-a774-45ca-a792-e62187ad6886","type":"sentiment","value":"positive","decimalValue":"0.990000009536743"}]