Vary your markup brush size depending on the size of what you’re calling out; do this by clicking on the slider located in the comment box.

Change brush colors to distinguish between commenters and/or to achieve better markup contrast against the image. To do this, clicking on the orange circle next to the slider.

To undo a markup, press cmd + z or use the undo button. Note: If you’ve made a mistake while marking up, delete the comment, and start again.

To see what markup corresponds with a comment, click on the comment. The corresponding markup will be highlighted. Comments with markups will display a blue brush icon.

To see what comment corresponds with a markup, select the arrow tool in the comment box, then click on the markup. The corresponding comment will change colors.

Mark comments as complete to keep track of what you need to do and give others insight into your progress. To mark a comment as complete, hover over the comment, then click the circle at the top right. The circle will change to a static green check mark.