<div class="text-center my-3">
<b-button v-b-tooltip.hover title="Tooltip directive content">
Hover Me
</b-button>
<b-button id="tooltip-target-1">
Hover Me
</b-button>
<b-tooltip target="tooltip-target-1" triggers="hover">
I am tooltip <b>component</b> content!
</b-tooltip>
</div>
//if your want to change position to change data-placement
//For Example
//data-placement="right"
//data-placement="left"
//data-placement="top"
//data-placement="bottom"
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="top" title="Edit">
Edit
</button>