The shape tools found in the ribbon are used to draw shapes on your PDF. See the available shapes below:
To begin drawing on your PDF you must first select your desired shape on the ribbon.
To select the colour of your shape, you can use the dropdown found below the shape button on the ribbon.
With your shape selected, left click and drag on the PDF page. Releasing left click will apply the shape.
Shape Properties
To view/change the properties of a shape added to your PDF, right click on the shape, and select “Properties”.