Hello dst270,
Have you considered using the new Adobe Acrobat 3D? I believe it will allow others with only the Adobe Reader to do all of those things you want. However, you will have to create PDF files of your parts and assemblies which is a snap with the tools provided by Acrobat 3D v7.
However, you will get more than you asked for such as the ability to control access rights to your company data and the ability to combine your Pro/E models with other design related documents such as project schedules, spreadsheets, design specs, anything you can make a PDF of. You can combine an entire design of dissimilar documents into a "binder" document that can be archived and/or emailed to others for review.
Other reviewers can mark-up and add comments to the design, measure, see the model tree, show/hide components, inquire components, etc. All reviews can then be combined back into the master binder for you to review. It's quite an excellent tool that should be given serious consideration. However, it's not cheap.
You should take a look at it.
Thanks.
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