Hi Priscillia,
Thanks you for using Syncfusion product.
At present we do not provide support for Pdf document to Image conversion in Windows Phone 8.1. We would like to inform you that we have logged this as a feature request in our database. We will implement this feature in any of our upcoming releases. We usually have an interval of at least three months between releases. The feature implementation would also greatly depend on the factors such as product design, code compatibility and complexity. Please log on to our support website to check for further updates:
https://www.syncfusion.com/account/login?ReturnUrl=%2fsupport%2fdirecttrac%2fincidents Regards,
Parthipan