Hello Theliteracyloft,
We're sorry for the delayed response and inconvenience caused, as per the description when you are converting a PPT into PDF, you are getting blurry images, is that correct?
Try converting the PPT to PDF through the URL https://cloud.acrobat.com/convertpdf with your Adobe ID and password on a browser like Chrome, or Firefox, or Safari and see if this brings any difference.
If you are using the desktop application Acrobat Pro, then you can save the PPT as Adobe PDF or can choose the 'High-Quality Print' settings to convert the PPT into PDF.
Make sure you are saving the PPT as Adobe PDF, not Microsoft PDF. Also, navigate to Adobe Acrobat's Preferences once from Edit>Preferences>Page Display>Show large Images.
Is it possible to post a screenshot of the blurry image once, to share the screenshot, refer to https://forums.adobe.com/docs/DOC-7043#jive_content_id_How_do_I_attach_a_screenshot
is it a Mac or Windows machine and what is the version of os installed? What is the dot version of Adobe Reader installed? To identify refer to Identify the product and its version for Acrobat and Reader DC
Let us know how it goes and share your observation.
Thanks,
Anand Sri.