For adding and editing the checkbox appearance in Indesign: Window > Interactive > Buttons and Forms. This will open the Buttons and Forms panel, from this panel select the flyout (upper right) and then Sample Buttons and Forms. This will open the sample panel. From here you can drag any of the pre-built check box items into a document and then modify as you like. For editing the checkbox style in Acrobat: Contextually (right mouse) select a checkbox element > Properties > Options > Checkbox Style. This allows you to select the style: check, circle, cross, diamond, square and star. To change color of style: From Properties > Appearance > Text Color. Please note checkbox appearance and style are two different functions
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