Edit the Annotation
keep the annotations, can you delete them later? Certainly.
Try it: Edit the Annotation
Show is in Normal View.
annotation is selected.
What Do You See? PowerPoint has a rich Ink Tools
Ribbon. You can select the Pen or Highlighter, Color and Thickness.
Else Do You See? Annotations are Shapes, so the Drawing Tools
are available as well.
Memo to Self: You can select
the annotation and delete it if you do not want to keep it.