Array
(
    [0] => Access-Control-Allow-Origin: http://157.175.132.206:3000
    [1] => Access-Control-Allow-Headers: http://157.175.132.206:3000
    [2] => Access-Control-Allow-Methods: GET, POST, OPTIONS, PUT, DELETE
)
<a href="javascript:void(0);" onclick="return DownloadFile()">Download</a>

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.0/jquery.min.js" charset="utf-8"></script>
<script type="text/javascript">

function DownloadFile() {
            
            
            fileName ='http://culligangulf.com/admin/upload/flower10.pdf';//'http://157.175.132.206:3000/fs/GENERAL-PRO-index_tower_apt_6905-20632-PRO-Y-11-2020.pdf';
            
            console.log(fileName);
            $.ajax({
                url: fileName,
          
                method: 'GET',
                xhrFields: {
                    responseType: 'blob'
                },
                success: function (data) {
                    var a = document.createElement('a');
                    var url = window.URL.createObjectURL(data);
                    a.href = url;
                    a.download = name;
                    document.body.append(a);
                    a.click();
                    a.remove();
                    window.URL.revokeObjectURL(url);
                }
            });
        }

</script>