If you havebought a Premium Pack product, which includes Words on Screen, then it should appear automatically in your Words on Screen streaming player and Sparkyard. If someone in your organisation has bought one, and shared it with an organisation you're a member off, then you should also see it automatically. If you need more information about sharing eSongbooks within your organisation you can find out more here: https://outofthearksupport.zendesk.com/hc/en-gb/sections/24736438769681-Organisations
If you are using the download player you will need to click the 'Refresh' button on the left-hand side of your library screen. This will update your library with all purchases. You will then be able to download and play your new songs.