We are using PDFContentEditor class for updating or replacing existing link and it’s display text in PDF file.
When we are replacing the href display text of link and if the replaced value is longer than the old display text value then the newly replaced display text is overlapping with the content or text presents right to the display text.
We have worked with the data shared by you and have been able to reproduce the issue in our environment. A ticket with ID PDFNET-45080 has been logged in our issue management system for further investigation and resolution. The ticket ID has been linked with this thread so that you will receive notification as soon as the ticket is resolved.