Is Read document action available in Nintex with SharePoint online environment?
Unfortunately this action is not available in O365. The on premise action relies on Word Automation Services. Microsoft made the decision not to include Word Automation Services in their online offering, details of which can be found here:
Content Features in SharePoint Online | SharePoint Online Service Description
That's not to say that they won't extend the service offering at a later date, but for now this is the situation.
Hope this clarifies
Thanks - Simon
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