How to remove stylebox for annotation

Product Version: 8.8.0

How to remove style box for annotation as I mention picture below

Hello johnmaniya,

We have a guide on hiding/showing elements in WebViewer here: PDFTron Systems Inc. | Documentation

For this particular element you can use:

instance.UI.closeElements(['annotationPopup']);

Best Regards,
Carlo Mendoza
Software Developer
PDFTron Systems, Inc.