account-financial-tools/account_move_line_purchase_info/security/account_security.xml

<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <record id="group_account_move_purchase_info" model="res.groups">
        <field name="name">Purchase info in Journal Items</field>
        <field name="category_id" ref="base.module_category_hidden" />
        <field name="users" eval="[(4, ref('base.user_admin'))]" />
    </record>
</odoo>