Some apps for SharePoint include App Parts that you can add to a page on your SharePoint site to display data or information associated with the app. If you’ve installed a third-party app from the SharePoint Store, the details or description for that app should tell you whether or not the app includes an App Part.
On the site to which you’ve added an app, go to the page where you want to add the App Part.
Go to Settings > Edit page.
Click in the location on the page where you want to add the App Part.
On the Insert tab of the ribbon, click App Part..
Under Parts, click the name of the App Part you want to install (it should be similar to the name of the app itself), and then click Add.