Only display data, submitted by the of currently logged in user
This feature is part of the Visforms Subscription and not available in the free Visforms version..
Since version 1.2.2 the Visforms Subscription adds a new option "Own Data only" to the form configuration tab "Dataview in Frontend".
Set this option to "yes" if you want to make sure, that only own data, which the currently logged in user has submitted, are displayed in front end. This option cannot be override in the plugin configuration string.