Odoo-Build/snippets/purchase.report_purchaseorder_document.add_date_approve.xml

<data inherit_id="purchase.report_purchaseorder_document" priority="50">
    <xpath expr="/t/t/div/div/div[3]" position="replace">
        <div t-if="o.user_id" class="col-3 bm-2">
            <strong>Order Date:</strong>
            <p t-field="o.date_approve" class="m-0" t-options="{ &quot;widget&quot;: &quot;date&quot; }"/>
        </div>
    </xpath>
</data>