Hello Bill,
I have tested the issue using latest version of Aspose.Pdf 3.9.0.0 and in my case the border is being displayed properly, but bottom table in the first column is not being properly aligned with the bottom of the table in the second column. I've attached the resultant file, please take a look.
I have logged this issue in our issue tracking system as PDFNET-6554. We will investigate this issue in detail and will keep you updated on the status of a correction. We apologize for your inconvenience.
Nayyer Shahbaz
Support Developer, Aspose Sialkot Team
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