Hi,
I would suggest you contact the Office365/Microsoft 365 sales to get more information and options for a trial.
https://resources.office.com/en-us-landing-o365-contactus.html?LCID=EN-US
You can also have a look at the free version of Microsoft Teams over here:
https://www.microsoft.com/en-us/microsoft-365/microsoft-teams/free
Best regards,
Leon