Yes, we have given you the ability to do it, follow below steps to do it.
Step 1: Make sure you are inside your Interactive Deck Editor.
Step 2: Now using slide navigation menu, move to the slide for which you want to add the pointers for.
Step 3: On the right side of the page, find a form field with header “Slide Notes”.
Step 4: Input your pointers in this field and click on “Add Note” button. This adds as many notes as required to current slide, and you can do this for each slide. So this way you can save the pointers.