Specific .xls file does not render on file load

WebViewer Version: 10.6.0

Do you have an issue with a specific file(s)? yes
Can you reproduce using one of our samples or online demos? yes
Are you using the WebViewer server? no
Does the issue only happen on certain browsers? no
Is your issue related to a front-end framework? yes
Is your issue related to annotations? no

Please give a brief summary of your issue:
(Think of this as an email subject)

while loading of specific .xls file, user is not able to view the document.

Please describe your issue and provide steps to reproduce it:
(The more descriptive your answer, the faster we are able to help you)

On our project, when user tries to view this .xls file (i.e. MyOB.xls) on PDFTron, user is unable to view this file.

We even tried to upload and view the same .xls file on https://showcase.apryse.com/ still unable to view the file:

Hereby attached the document which causes the error.
MyOB.xls (24 KB)

Please provide a link to a minimal sample where the issue is reproducible:

Hello Arjun,

Thank you for contacting WebViewer Forums.

On file inspection, it looks like the format is saved on a legacy .xls format (5.0/95) which we do not currently support well.

Please consider saving to a newer .xls format (i.e. 97-2004 is working) or .xlsx.