• From the Model Viewer, click on the Collaborate button, highlighted in the screenshot below, and select the part in the model where you want to add a comment or annotate a model
• You can add comments or annotations and save them to the model. You can also view the associated Models, Comments, and Mails in the Model Viewer.
• When you click on a comment from the Comments tab, it is shown on the viewer on the Comment Panel, along with any replies it may have. You can also filter the comments based on their status – whether they are Open, Resolved or Closed
