Working with Markups > Annotations > Model Annotations > To Set the Visibility Options of Model Annotations
  
To Set the Visibility Options of Model Annotations
1. Click File > Options. The Creo View Options dialog box opens.
2. Next to Showing, select Defaults, and then on the left under Annotations, select Model Annotations. The Annotations-Model Annotations options open.
3. Next to Display occluded model annotations as, select a display option for annotations that are located behind the model:
Hidden
Dashed
Solid
4. Select the Use model annotation default visibility check box to show or hide the annotations according to their visibility in the original file.
5. Click Apply to apply the settings and continue setting options, or click OK to apply the settings and close the dialog box.