Number of total pages was invisible in IE11. The direct cause was that _wasLocalized property of the toolbar was never set to true. This was caused but exception in file validation - file is null in our case and IE11 throws an exception on new URL(null, ...).
Number of total pages was invisible in IE11. The direct cause was that _wasLocalized property of the
toolbar was never set to true. This was caused but exception in file
validation - file is null in our case and IE11 throws an exception on
new URL(null, ...).

WhitesteinTechnologies/wt-vaadin-pdf.js,WhitesteinTechnologies/wt-vaadin-pdf.js