If you are using a managed device, you can download any in-app purchased content from within the app that uses this content. Once you have set up your deployed device, open the app that uses your purchased content. Use the onscreen instructions in the app to re-download or install any content you have purchased.
In-app purchased content is not deployed to managed devices
In-app purchased content is designed to be downloaded using the app that offers the content. This content isn't deployed from Apple Configurator, Mobile Device Management (MDM) or Profile Manager.