This menu allows you to easily access annotations selected on multiple sheets.
1. Tap an annotation to select it.
2. Tap "(+ select multiple)" in the top right hand corner
3. Tap any other annotations that you would like to select. You can swipe to other sheets and select annotations on other sheets.
4. Tap (# selected) button in the top right corner to see all of your select annotations.
5. Tap the crosshairs to zoom in on a specific annotation.