To target Facebook Page social message, create a new message. Inside the Social Message Editor, click the Targeting Options icon . Apply all Facebook Targeting parameters you would like to apply to the social message. You will start to see all options show up above the social message preview. You can customize the Preferred Audience and Audience Restrictions. To remove all parameters from your social message, click the X on the right-hand side of your social message editor.
If you have targeting options that you want to reuse, you can save your targeting as an Audience Preset. To do so, click Save current as preset once you have chosen all parameters. To apply the preset to social messages, choose the name of your preset and click Apply. You can also delete any presets by clicking Delete.