You can use PnP SPFx property pane controls in your solution.
They provide callout value for standard property pane controls like button, text, dropdown etc.
Example:

To install them, you can do that as below:
npm install @pnp/spfx-property-controls --save --save-exact
After that in your project you can use it as below:
1) add the necessary import statement:
import { CalloutTriggers } from '@pnp/spfx-property-controls/lib/Callout';
import { PropertyFieldLabelWithCallout } from '@pnp/spfx-property-controls/lib/PropertyFieldLabelWithCallout';
2) Add custom property control:
PropertyFieldLabelWithCallout('fakeProp', {
calloutTrigger: CalloutTriggers.Click,
key: 'LabelWithCalloutFieldId',
calloutContent: 'Use dropdowns below to select list and list\'s field to work with',
calloutWidth: 200,
text: 'Select List and Field'
})
Reference - PnP SPFx property pane controls
These callouts are there for standard controls mentioned below:
Label with callout - Property Pane label control with callout
Checkbox with callout - Property Pane checkbox control with callout
Choice group with callout - Property Pane choice group control with callout
Toggle with callout - Property pane toggle control with callout