Why wont my pdf convert to Pdf/x

[K. S. Aten]

I am trying to make book covers using a mixture of canva and adobe. I am trying to convert the attached into PDF/X-1a I can't. Despite WASTING money on this app I don't seem to have access to the tools to do so. I can convert it from png to basic pdf, BUT ingramspark wants PDFX-1a and I CANT access the tools or the save as feature (which is how the internet said you are supposed to do it) is this because I am on a tablet?

Also despite the png being created in a digital medium this system thinks it is a scan... which it isn't.

[Amal.]

Hi there,

Hope you're doing well, and thanks for reaching out.

The option to save a PDF as PDF/X-1a is currently not available in the Acrobat mobile app. To access this feature, you'll need to use Acrobat Pro on desktop.

For more details, you can refer to our help page here:
https://adobe.ly/4k9Q2bI

Let me know if you have any other questions.