This issue only happens for Docx files, it does not happen for PDFs.
Here is a code snippet that I used to test this issue, I used the AddATextWatermark class from the GroupDocs Git repository and did a few changes to i…...TextWatermark("top secret", new Font("Arial", 36)); watermark.se...TextWatermark("top secret", new Font("Arial", 96)); watermark.se...