Text annotations are missing after converting PDF to TIFF

Hi,
I want to convert a pdf document that has some text annotations into a TIFF file. However, these text annotations were left out. Is there an option/solution that is to render text annotations along with normal text in Apose PDF Java?

input/output attached
Archive.zip (1.9 MB)

I found out Document.flatten() is what I need. This thread can be closed

@tmhungtrilogy

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