Which Apple products are eligible for the employee purchase program?

Use the URL provided to you to see what is available.

• You may purchase or "sponsor" up to three system bundles or displays, three iPads, three iPhones, three Watches and up to ten iPods each calendar year (January 1-December 31)
• You must place your order online via the URL provided by your Employer to receive the special pricing extended to your Employer.

https://store.apple.com/Catalog/US/Images/bepppolicies.html

We are other end users, not Apple employees or staff. We cannot know.

If you are an Apple employee, start by asking your supervisor or team lead.