Yes you can. To be able to add more applications:
-Once logged into Okta, find the ‘+Add Apps’ button on the top right of your Okta
-Select the ‘+Add Apps’ button, search the application that you would like to add.
-When you find the application, click the ‘Add’ button on the right to place it on your dashboard. For additional questions, please click here: https://www.okta.com/faq