I tried it anyway and could not.
I'll send my code for now.
<style type="text/css">
.rodape {
background-color: #00BFFF;
text-align: center;
font-size:8pt;
font-family: Verdana;
font-weight:bold;
width:100%;
position:fixed;
bottom:0px;
left:0px;
}
</style>
<!-- footer 1 -->
<footer id="footer" style="background-color:#00CFA0;">
<div class="container" style="padding:20px;">
<div class="row">
<div class="col-sm-6 col-xs-12">
<div class="row">
<table>
<tr>
<td style="text-align:center;">
<img style="width: 150px; height: 125px; margin-left:20px;text-align: center;" src="assets/img/footerbranco.png" alt="Software médico para consultórios" title="Software médico para consultórios" id="footerLogo" class="mb-small">
</div>
</td>
<td class="d-none d-sm-block">
<div style="text-align:left;color:#fff;margin-left:35px;">
<p><strong>TISAÚDE TECNOLOGIAS INTELIGENTES LTDA</strong>
<br>CNPJ. 24.932.304/0001-55</p>
<p>Rua da Guia, 217
<br>Recife Antigo, Recife, PE
<br>CEP: 50030-210 </p>
</div>
</td> </tr> </table>
</div>
</div>
<div class="hidden-xs col-sm-6 col-xs-12">
<div class="footerInfo" style="text-align: center;color:#fff;">
<br>
<strong>
Baixe agora o aplicativo 'Clínica Digital'
</strong>
<br>
<br>
<a style="color:#fff;" href="https://itunes.apple.com/br/app/paciente-tisaude/id1227357722?l=en&mt=8" target="_blank" class="btn btn-translate--hover"> <i class="fab fa-apple "></i>
<span class="btn-inner--text ">Baixar na</span>
<span class="btn-inner--brand ">App Store</span>
</a>
<a style="color:#fff;" href="https://play.google.com/store/apps/details?id=com.tisaude.pacientes&hl=pt_BR" target="_blank" class="btn btn-translate--hover">
<i class="fab fa-google-play "></i>
<span class="btn-inner--text ">Baixar no</span>
<span class="btn-inner--brand ">Play Store</span>
</a>
</div>
</div>
</div>
</div>
</div>
</footer>
<!-- footer 2 -->
<footer id="footer" class="hidden-xs" style="background-color:#009976;height: 60px;color: #FFF;">
<div class="container align-items-center">
<div class="row">
<div class="col-12 col-sm-9 " style="margin-top:20px;">
<div class="copyRightText">
<div class="row">
<div class="col-xs-6" style="margin-left:20px;">
Copyright © TISAÚDE 2018
</div>
<div class="col-xs-3 d-none d-sm-block" style="margin-left:40px;">
<a href="https://www.tisaude.com/termosdeusopaciente" class="text-white">Termos de Uso</a>
</div>
<div class="col-xs-3" style="margin-left:40px;">
<a href="https://www.tisaude.com/contato" class="text-white">Fale conosco</a>
</div>
</div>
</div>
</div>
<div class="col-sm-3 hidden-xs pull-right d-none d-sm-block" style="margin-top:20px;">
<span style="margin-left: 20px;"><a href="https://www.facebook.com/tisaudebrasil" target="_blank" class="text-white"><i class="fab fa-facebook-f" aria-hidden="true" style="color: white;"></i></a></span>
<span style="margin-left: 20px;"><a href="https://www.instagram.com/tisaudebrasil" target="_blank" class="text-white"><i class="fab fa-instagram" aria-hidden="true" style="color: white;"></i></a></span>
<span style="margin-left: 20px;"><a href="https://www.twitter.com/tisaudebrasil" target="_blank" class="text-white"><i class="fab fa-twitter" aria-hidden="true" style="color: white;"></i></a></span>
<span style="margin-left: 20px;"><a href="https://www.linkedin.com/tisaudebrasil" target="_blank" class="text-white"><i class="fab fa-linkedin" aria-hidden="true" style="color: white;"></i></a></span>
</div>
</div>
</div>
</footer>
<!-- footer 3 (que é o que ta ficando por cima do footer 2 e eu quero que ele fique embaixo dele quando chegar no final) -->
<footer class="rodape" id="footer" style="background-color:#00CFA0;">
<div class="container align-items-center">
<h1>rodape</h1>
</div>
</footer>