Buttons missing click functionality in epub pdf format

[Pico Apico]

I have designed a digital publication that includes many buttons with "Open a URL" functionality.

The buttons work perfectly when viewing the published online document but when I publish the file as an ebub pdf, the click functionality of the buttons is lost. All other text-related Hyperlinks still work, but buttons are rendered like text and path objects.

Am I missing out something about constructing functional buttons in InDesing or is this a normal behaviour (button functionality not supported in pdf format)?

Thanks.

[Derek Cross]

ePub or PDF?

[Pico Apico]

Sorry, pdf with epub preset

[BobLevine · Accepted solution]

Did you export to Interactive PDF?

[Pico Apico]

pdf with epub preset

[BobLevine]

What does that mean? It's either a PDF or an EPUB and you didn't answer my question.

[Pico Apico]

I saved as pdf using a pdf preset named epub. But that apparently isn't the same as the Interactive PDF format that you proposed and eventually solved the button functionality issue. Thanks a lot for your help.