Firefoxアドオン対応

Hi Ai,

We apologize for the delay in response to your query.

As per the latest release note Firefox supports the create PDF extension for Acrobat DC-  Enable Create PDF extension for Mozilla Firefox, Adobe Acrobat

Enabling this extension adds the Acrobat PDF Creation toolbar and the right-click context menu to convert complete web pages, links to PDF.

From the information above, I believe you are looking for the create pdf Add-on for Acrobat Std DC 2015? You may check the similar discussion in the forum thread- Adobe Create PDF 15 plugin is disabled in Firefox 43.0 stable version

And Configure browser to use the Adobe PDF plug-in to open online PDF files

Regards,

Akanchha