I’ve covered this a couple of times, but just a reminder: New Security Roles and Tasks are missing when upgrading to Microsoft Dynamics GP 2016 R2 and Year-End Update
New Security Roles and Tasks are missing when upgrading to Microsoft Dynamics GP 2016 R2 and Year-End Update – Microsoft Dynamics GP Community
Year-End & 1099Install, Upgrade & AdminMicrosoft & the GP EcosystemGP 2016
Archived post from 2016. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.