Convert word document in PDF,e pub,by using third party dll in Sharepoint designer workflow 2013?

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SharePoint2013

Hi,

I want to convert word document to PDF, EPub, by using third party (.dll).

In SharePoint designer workflow in 2013.

So that I have question, Can we Install third party (.dll) in SharePoint workflow Designer for conversion?

Means I have created one simple application conversion of word to e Pub, PDF, Image by using (Spire.doc dll) in Visual Studio.

So this same conversion I want to work in SharePoint designer workflows?

So anybody has any solution then please provide me.

Thanks,

Samadhan