src/app/app.component.html

<router-outlet>
    <div class="" style="
        text-align: right;
        margin-right: 40px;
        ">
        <a href="{{this.sessionContext.settings?.HELPURL}}" target="_blank">
              <span class="glyphicon glyphicon-question-sign active-navitem-hover"></span> Help</a>
    </div>
</router-outlet>