There seem to be many PDF DRM removal software available in the market. I tried them and they work. How assurances do I have that the latest (Acrobat XI) will work and no one will be able to remove document permissions and edit my work?
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                                         There seem to be many PDF DRM removal software available in the market. I tried them and they work. How assurances do I have that the latest (Acrobat XI) will work and no one will be able to remove document permissions and edit my work?