Text Markup
In Review mode, click the text button 
in the upper left corner to add text markups to the current page and view Pin comments.
You can see the author of a comment by selecting it.
(Note: Collaborators can only access the Comment mode and Development mode.)
Coordinate Markup
Click the “Coordinate markup” icon 
in the upper left corner to mark the coordinate information of your page elements.
Spacing Markup
Click the “Spacing markup” icon 
in the upper left corner and draw a line around any page element to add spacing markups with ease.
While using the spacing markup tool, if the auto-generated value is not accurate after dragging a measuring line, you can double click the number and enter a desired one instead.
Color Markup
Click the “Color markup” icon 
in the upper left corner and click any position on the page to view its color value.
Region Markup
Click the icon 
in the upper left corner and draw a rectangle anywhere on your design. You can add height and width markups to this rectangle in seconds.
While using the region markup tool, if the auto-generated values are not accurate after dragging and dropping a box perfectly, you can double click the number and enter a desired one instead.
