PDF A3 || Conversion Failure

Seek support on PDF A3 Conversion Failure in evolution mode. Is this available as open source? or is there any free version over which we can try POC to check the fitment in project.
Please find the Error snippet below for ref:
class com.aspose.pdf.exceptions.IndexOutOfRangeException: At most 4 elements (for any collection) can be viewed in evaluation mode.
com.aspose.pdf.ADocument.lf(Unknown Source)
com.aspose.pdf.FontCollection.get_Item(Unknown Source)
com.aspose.pdf.internal.l8k.ly.lI(Unknown Source)
com.aspose.pdf.internal.l8k.ly.lI(Unknown Source)
com.aspose.pdf.internal.l8k.ly.l0k(Unknown Source)
com.aspose.pdf.internal.l8k.ly.lf(Unknown Source)
com.aspose.pdf.internal.l8k.l0if.l0t(Unknown Source)
com.aspose.pdf.internal.l8k.ly.lI(Unknown Source)
com.aspose.pdf.ADocument.lI(Unknown Source)
com.aspose.pdf.ADocument.convert(Unknown Source)
com.aspose.pdf.Document.convert(Unknown Source)
com.aspose.pdf.ADocument.convert(Unknown Source)
com.aspose.pdf.Document.convert(Unknown Source)

@Manoj_Velliyatt_in_ey_com

You can please use a free 30-days temporary license in order to evaluate the API without any limitation. Please set the license before using any API method in your application.

Hi team,
Can we get an extension of 30 days on existing free 30 days temporary license.

@Manoj_Velliyatt_in_ey_com

You can create a topic in our Purchase forum about these concerns where our Sales Team will entertain you accordingly.