We are using theSalesforceSurveytool, It creates standardsalesforceobjects. These are viewable in the dataloader app fromsalesforce, as will as various 3rd party tools. Usually you can see all the standardobjectsinsalesforcein the get data, but in powerbi you can't (you also can't in excel or access) I want to stress because it has come up before in questions, these are not customobjects, these are standardsalesforceobject, they are:
The salesforce object connector in Power BI Desktop uses salesforce rest api to integrate data with salesforce. However, based on my research, salesforce rest api doesn't provide access to survey objects, but SOAP API provides access.