Thank you for reaching out and sorry for the trouble.
As the image orientation changes on importing an image in PDF, please let us know if there is a form field added to the PDF for the image. If not, please share the steps you do to add an image to the PDF.
Also, check if this issue occurs on other PDFs as well.
If the issue occurs with this particular file, would you mind sharing that PDF with us?
What is the application and OS version on your machine?
It would be helpful if you share more details about the issue.