Document Viewer allows you to change the annotations style. You can customize annotations by changing the highlight color, line color, text color, textbox colors, line thickness, and opacity.
To change the annotation style, right-click the annotation then click Properties on the shortcut menu.
On the Properties window, select your desired setting then click CLOSE.
All annotations have different properties based on the annotation type. You may see different options based on the annotation type.
Shape annotations examples
Pencil Properties window allows you to change the line color, thickness, and opacity.
Text annotations examples
Highlight and Underline Properties windows allow you to change the highlight color and opacity.