-DataURi Function: 
dataUri(outputs('Get_file_content_using_path_-_Company_Logo')?['body'])


-Concat Logo Img: 
concat('<img src="', variables('dataURi'), '"/>')


-TableVar HTML: 
<tr>
<td id="td2">@{items('Apply_to_each_-_Create_HTML_Table_of_Invoice_Tasks')?['Description']}</th>
<td id="td1">@{items('Apply_to_each_-_Create_HTML_Table_of_Invoice_Tasks')?['Units']}</th>
<td id="td1">@{items('Apply_to_each_-_Create_HTML_Table_of_Invoice_Tasks')?['TotalAmount']}</th>
</tr>


-All HTML for PDF Generation:
concat('<DOCTYPE html>

<html>

<head>

<style>

#table2{

border: none;

}

table {

  font-family: arial, sans-serif;

  font-size: 14px;

  border-collapse: collapse;

  width: 100%;

}

td, th {

  border: 1px solid #dddddd;

  text-align: left;

  padding: 8px;

}

#td1 {

  border: 1px solid #dddddd;

  text-align: center;

  padding: 8px;

}

#td2 {

  border: 1px solid #dddddd;

  text-align: left;

  padding: 8px;

}

#th1 {

  border: 1px solid #dddddd;

  text-align: center;

  padding: 8px;

}

#div{

text-align: right;

}

</style>

</head>

<body>

<table style="width:100%">

<tr>

<td style="width:54%" id="table2"><h2>Invoice Generator</h2></td>

<td id="table2"><img src="', variables('dataURi'), '" width="245" height="45" />

</td> 

 </tr>

 </table>

<br>

<br>

<table style="width:100%">

  <tr>

    <th style="width:50%" bgcolor="#F0F0F0">Date</th>

    <th bgcolor="#F0F0F0">Invoice Number</th>   

  </tr>

  <tr>

    <td>', formatDateTime(triggerOutputs()?['body/Date'], 'dd/MM/yyyy'), '</td>

    <td>', triggerOutputs()?['body/Title'], '</td>  

  </tr>

  </table>

  

 <br>




 <table style="width:100%" >

  <tr>

    <th style="width:50%" bgcolor="#F0F0F0">Bill To </th>

    <th bgcolor="#F0F0F0">Vendor Details </th>  

  </tr>   

  <tr>

    <td> ', replace(triggerOutputs()?['body/BillTo'], decodeUriComponent('%0A'), '<br />') , '</td>

    <td>WeTechCareOfYou<br>

Suite 609, <br>

585 Little Collins Street,<br>

Melbourne, 3000</td>   

  </tr>

</table>

 <br>

 <br>

  <table>

  <tr>

<th style="width:50%" id="th1" bgcolor="#F0F0F0">Description</th>

<th id="th1" bgcolor="#F0F0F0">Units (Hours)</th>

<th id="th1" bgcolor="#F0F0F0">Total Amount</th>

</tr>

  ', variables('TableVar'), '

 </table>




 <br>

 <br>

 <div id="div">

 Sale Amount: ', triggerOutputs()?['body/SaleAmount'], '

  <br><br>

  

 GST: ', triggerOutputs()?['body/GST'], '

 <br><br>







<b>Total:</b> ', triggerOutputs()?['body/BalanceDue'], '

 </div>

<br>

</body>

</html>

')