After the set up for SQL Server Reporting Services and SharePoint are complete, the next step is to create a SQL Server Reporting Services Service Application.
Let's create the application:
Open SharePoint 2013 Central Administration.
Select the Application Management tab, and select Manage service applications under the Service Applications heading as shown in the following screenshot:
Click on New on the ribbon panel of Service Applications tab, and select SQL Server Reporting Services Service Application as shown in the following screenshot:
Specify the settings for a new SQL Server Reporting Services Service Application. Type the appropriate information in the boxes. Click on OK when done. Make sure you put correct and appropriate information in the Application Pool setting. Once you click on OK, the setup cannot be cancelled.
You'll get a message that confirms the successful creation of the service application. A link to provision subscriptions and alerts is also provided in the message: