I open a form on the iPhone, but i can only use the Viewer, the Fill and Sign tool does not show up.
under my account it says:
Adobe Acrobat DC Pro Subscibed
You could download the Fill&Sign app from ITunes App Store.
Reader DC app only lets you view PDF files.
Fill&Sign is also a free app.
Please refer the following link.
FAQ | Adobe Acrobat Reader DC mobile app
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