Hello everyone, when we send out invoices with credit memo, the email sent to the client doesn't reflect the credit memo applied. what is the workaround for this?

You can show the amount remaining in advanced pdf. I'm not sure you can show the specific credit note / payment numbers on the invoice without using a saved search instead

<tr>
      <td>
        ${record@title} Total :
      </td>
      <td>
        ${record.currency}&nbsp;&nbsp;&nbsp;${record.total}
      </td>
    </tr>
    <#if record.status == "Open" &&  Record.amountremaining != Record.total && record.type == "custinvc" >
      <tr>
        <td>
          Amount Paid/Credit :
        </td>
        <td>
          ${record.amountpaid}
        </td>
      </tr>
      <tr>
        <td>
          Balance :
        </td>
        <td>
          ${record.amountremaining}
        </td>
      </tr>
    <#else>
    </#if>

Thank you @Jon Kears. This is helpful.