Oi, Jean
Os dois "Carousel" estavam com a mesma identificação ( id )
Alterações no segundo "Carousel":
id="carouselExampleCaptions2"
data-bs-target="#carouselExampleCaptions2"
<!-- Segundo Carousel -->
<div>
<div id="carouselExampleCaptions2" class="carousel slide container">
<div class="carousel-indicators">
<button type="button" data-bs-target="#carouselExampleCaptions2" data-bs-slide-to="0" class="active"
aria-label="Slide 1" aria-current="true"></button>
<button type="button" data-bs-target="#carouselExampleCaptions2" data-bs-slide-to="1" aria-label="Slide 2"
class=""></button>
<button type="button" data-bs-target="#carouselExampleCaptions2" data-bs-slide-to="2"
aria-label="Slide 3"></button>
</div>
<div class="carousel-inner">
<div class="carousel-item active">
<svg class="bd-placeholder-img bd-placeholder-img-lg d-block w-100" width="800" height="400"
xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Espaço reservado: primeiro slide"
preserveAspectRatio="xMidYMid slice" focusable="false">
<title>Placeholder</title>
<rect width="100%" height="100%" fill="#777"></rect>
<text x="50%" y="50%" fill="#555"
dy=".3em">First
slide
</text>
</svg>
<div class="carousel-caption">
<h5>
<font style="vertical-align: inherit;">
<font style="vertical-align: inherit;">Rótulo do primeiro slide</font>
</font>
</h5>
</div>
</div>
<div class="carousel-item">
<svg class="bd-placeholder-img bd-placeholder-img-lg d-block w-100" width="800" height="400"
xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Espaço reservado: segundo slide"
preserveAspectRatio="xMidYMid slice" focusable="false">
<title>Placeholder</title>
<rect width="100%" height="100%" fill="#666"></rect>
<text x="50%" y="50%" fill="#444"
dy=".3em">Second
slide
</text>
</svg>
<div class="carousel-caption">
<h5>
<font style="vertical-align: inherit;">
<font style="vertical-align: inherit;">Rótulo do segundo slide</font>
</font>
</h5>
</div>
</div>
<div class="carousel-item">
<svg class="bd-placeholder-img bd-placeholder-img-lg d-block w-100" width="800" height="400"
xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Espaço reservado: terceiro slide"
preserveAspectRatio="xMidYMid slice" focusable="false">
<title>Placeholder</title>
<rect width="100%" height="100%" fill="#555"></rect>
<text x="50%" y="50%" fill="#333"
dy=".3em">Third
slide
</text>
</svg>
<div class="carousel-caption">
<h5>
<font style="vertical-align: inherit;">
<font style="vertical-align: inherit;">Etiqueta do terceiro slide</font>
</font>
</h5>
</div>
</div>
</div>
<button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleCaptions2"
data-bs-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="visually-hidden">
<font style="vertical-align: inherit;">
<font style="vertical-align: inherit;">Anterior</font>
</font>
</span>
</button>
<button class="carousel-control-next" type="button" data-bs-target="#carouselExampleCaptions2"
data-bs-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="visually-hidden">
<font style="vertical-align: inherit;">
<font style="vertical-align: inherit;">Próximo</font>
</font>
</span>
</button>
</div>
</div>
Caso este post tenha lhe ajudado, por favor, marcar como solucionado ✓. Bons Estudos!