In app features not activated

[Elianes]

I've purchased the in app features of acrobat reader for docs on the iPhone  but there is problems in activating the features plus it's always giving me I am a free user and need to subscribe. Although I did the previous steps and paid. 
please if anyone can help with this issue 

[WillKoontz]

I am having the same issue! Have spent HOURS trying to resolve. I have contacted Adobe and their online support was not helpful at all. I have read online and found other people are having the same problem and have given up. I am still not able to find a resolution.