Hide

<div id="container">
  <span>Popover target</span>
</div>

<button id="hidePopover" class="k-button">Hide popover</button>

<script>
  $(document).ready(function() {
    var popover = $("#container").kendoPopover({
      filter: "span",
      template: "Content",
      position: "right"
    }).data("kendoPopover");

    $("#hidePopover").click(function() {
      popover.hide();
    });
  });
</script>