My conclusion is that it's not possible. I would love to be shown to be wrong.
You're correct, it is not possible using OpenOffice::OODoc. However, automating office doesn't require OLE.
$ Xvfb :0 &
$ DISPLAY=:0.0 soffice -invisible 'macro:///Standard.Conversion.SaveAsPPT(file:///tmp/doc.odp)'

In reply to Re: Convert to M$FT formats with OpenOffice::OODoc? by Anonymous Monk
in thread Convert to M$FT formats with OpenOffice::OODoc? by Your Mother

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