Moving this from Enterprise&Teams to the correct forum.
Question: how did you convert the PDF file to PPTX? What tool did you use, what version is it and what is your OS and version?
Thank you for reaching out.
Please let us know if the issue occurs with a particular PDF.
If yes, would you mind sharing the PDF with us?
Try converting PDF online using the Acrobat Online account. Use the steps suggested below:
1. Open the following link:
2. Sign in using your Adobe credentials.
3. Go to the Convert tab and select Export PDF to Microsoft Powerpoint files.
Check how it goes.
Let us know your findings.