Yes. You can buy as many seats of the Innovate software as you wish. One Innovate purchase includes 1 Facilitator seat + 10 Students seats. To add more, simply use the amount of users you want to the “Add Student Seats” section on the product page.
If you have recently purchased the Innovate Educator Suite and would like to add more student licenses to your teacher account, you can do so by logging-in and clicking on the “Add Students” navigation button on the top menu. There you can purchase up to 100 more student licenses for your teacher account.