ninja-forms-submission-permissions.php

ninja-forms-permissions-submissions.php

<?php

// Must use all three filters for this to work properly. 
add_filter( 'ninja_forms_admin_parent_menu_capabilities',   'nf_subs_capabilities' ); // Parent Menu
add_filter( 'ninja_forms_admin_all_forms_capabilities',     'nf_subs_capabilities' ); // Forms Submenu
add_filter( 'ninja_forms_admin_submissions_capabilities',   'nf_subs_capabilities' ); // Submissions Submenu

function nf_subs_capabilities( $cap ) {
    return 'edit_posts'; // EDIT: User Capability
}

@iwebnetid Anywhere in functions, or require it from a specialist filters.php - as normal essentially as long as it ultimately is required in functions.php