Mathieu Thollet

Adds in user admin page the possibility to choose which categories, tags, and taxonomies they can access in admin pages.

Admin users advanced permissions

Set up permissions for categories and taxonomies to admin users whose role is not "administrator"

Rapidweb

Edit user permissions for Ninja Forms.
By default, all Ninja Forms options are only available to users with the ‘Administrator’ role. This plugin will enable you to set which elements of Ninja Forms different user roles should have access to.

Admin users advanced permissions vs Permissions Editor for Ninja Forms