Word-to-pdf checkbox is not valid

my checkbox in word file is :white_check_mark: but it become ‘R’ when i change it to pdf
i used

PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
pdfSaveOptions.setUpdateSdtContent(false); 

but it not effected

@zjj

Looks like the query is related to Aspose.Words. Hence, its been moved to the respective category where you will be assisted accordingly.

@zjj, I have replied to the same question here: Word 转pdf后复选框 变成了特殊符号 'R' - #2 by denis.shvydkiy