pos/pos_access_right/security/res_groups.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
    Copyright (C) 2016-Today: La Louve (<http://www.lalouve.net/>)
    @author: Sylvain LE GAL (https://twitter.com/legalsylvain)
    License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-->
<odoo noupdate="1">

    <record id="group_negative_qty" model="res.groups">
        <field name="name">Point of Sale - Negative Quantity</field>
        <field name="category_id" ref="base.module_category_usability"/>
    </record>

    <record id="group_discount" model="res.groups">
        <field name="name">Point of Sale - Discount</field>
        <field name="category_id" ref="base.module_category_usability"/>
    </record>

    <record id="group_change_unit_price" model="res.groups">
        <field name="name">Point of Sale - Unit Price Change</field>
        <field name="category_id" ref="base.module_category_usability"/>
    </record>

    <record id="group_multi_order" model="res.groups">
        <field name="name">Point of Sale - Many Orders</field>
        <field name="category_id" ref="base.module_category_usability"/>
    </record>

    <record id="group_delete_order" model="res.groups">
        <field name="name">Point of Sale - Delete Order</field>
        <field name="category_id" ref="base.module_category_usability"/>
    </record>

</odoo>