Question

action buttons are present in the dash tab​

Answer 1

Answer:

Go to the Insert tab and select an action button from the bottom of the Shapes menu. Click on the slide to add the action button, and choose the desired options from the dialog box that appears. Return to the Slide Master tab and click Close Master View. The new action button will now be on every slide

Answer 2

Answer:

In the Master Views group, click the Slide Master command. In the left navigation pane, scroll up and select the first slide. Go to the Insert tab and select an action button from the bottom of the Shapes menu. Click on the slide to add the action button, and choose the desired options from the dialog box that appears.