Odoo-Build/snippets/sale.report_saleorder_document.replace_payment_term.xml

<data inherit_id="sale.report_saleorder_document" priority="50">
    <xpath expr="//span[@t-field='doc.payment_term_id.note']/.." position="replace">
        <div class="row">
            <div class="col">
                <span t-if="doc.payment_term_id.note">
          Payment terms: <strong t-field="doc.payment_term_id.name"/>
        </span>
            </div>
        </div>
    </xpath>
</data>