The condition about show the date of article and comment.

show-comment.liquid

{% if section.settings.show_date %}
  <div class="card-footer">
    <div class="d-flex justify-content-between">
      <small class="text-muted">{{ article.published_at | date: '%B %d, %Y' }}</small>
      {% if article.comments_count > 0 %}
        <small>{{ article.comments_count }} Comments</small>
      {% endif %}
    </div>
  </div>
{% else %}
  {% if article.comments_count > 0 %}
    <div class="card-footer">
      <div class="d-flex justify-content-between">
        <small>{{ article.comments_count }} Comments</small>
      </div>
    </div>
  {% endif %}
{% endif %}