User Role Select

Hi, I use https://www.ads-software.com/plugins/wc-frontend-manager in order to have vendors.

https://prnt.sc/tgla42
That’s my registration dropdown, in order for someone to have access to the store manager of WCFM needs to be wcfm_vendor.
Is there any way to add multiple roles?
For example, the server developer needs to have ‘server_developer’ and ‘wcfm_vendor’.

Can I do this?
If yes how?

Thanks in advance.