vracoop_click_and_collect/report/account_invoice_template.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <data>
        <template id="report_invoice_document" inherit_id="account.report_invoice_document">
            <p t-if="o.reference" position="before">
                <p t-if="o.vracoop_point_retrait_id">
                    Point de retrait: <span t-field="o.vracoop_point_retrait_id"/><br/>
                    Jour de retrait: <span t-field="o.day_retrait"/><br/>
                    Heure de retrait: <span t-field="o.hour_retrait" t-options= '{"widget": "float_time"}'/>
                </p>
            </p>
        </template>

    </data>
</odoo>