The Note tool allows you to place a pop-up text note on a document.
To hide the Note pop-up window, click
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The appearance of the Note icon placed on the document is configurable. The icon itself can be changed as well as its color and opacity.
To change the appearance of a Note icon, select it and click the Properties tab.
Color: Sets the color of the Note icon.
Opacity: Sets the level of transparency of the Note icon.
Icon: Sets the shape of the Note icon.