Polygon Properties, [Details] Tab (Viewer)

Polygon Annotation Properties appear when you select the Polygon annotation and then select [Properties] in the [Edit] menu.

[Close Up Endpoints]

Select this check box to make a connection between the ending point and starting point of a polygon annotation and draw a closed polygon.
Clear this check box to draw a polygonal line without making a connection between the ending point and starting point of a polygon annotation.
 
For the following tabs on the Polygon Annotation Properties dialog box, refer to the topics in the respective link destinations. There are no customizable items in the [Font] tab.