In the code below update pdfUrl with the new url of the updated pdf on the webdav then push.
<!DOCTYPE html>

<html>



<head>

<title>Corporate Citizenship Report - GE Appliances - 2020</title>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.js"></script>



<link rel="stylesheet" type="text/css" href="css/flipbook.style.css">

<link rel="stylesheet" type="text/css" href="css/font-awesome.css">



<script src="js/flipbook.min.js"></script>



<script type="text/javascript">



    $(document).ready(function () {

        var options = {

            pdfUrl:"https://store-ikiuocf6r8.mybigcommerce.com/content/GEA_CC_Report_Digital_V21_FINAL_JAN26.pdf",

            pageRoughness: .5,

            // pageMetalness: .4,

            lightIntensity:.5,

            lightPositionY:400,

            shadowOpacity:.5,

            btnToc : {enabled:false},

            btnSelect : {enabled:false},

            btnBookmark : {enabled:false},

        }

        options.mobile = {

            singlePageMode: true,

            pageTextureSize:4096,

            btnSize:50

        };

        $("#container").flipBook(options);



    })

</script>
</head>
<body>
<div id="container">
</div>
</body>
</html>