PureVPN allows P2P downloads only on certain servers.
To download on torrent you must select the file sharing option, this option will select for you optimized servers located outside the UK, US, Canada or Australia to avoid receiving complaints from the DMCA.
Here is the list of available countries displayed on the PureVPN website:
Afghanistan, Algeria, Angola, Armenia, The Bahamas, Bahrain, Bangladesh, Barbados, Belgium, Bermuda, Bolivia, British Virgin Islands, Brunei Darussalam, Bulgaria, Cambodia, Cape Verde, Cayman Islands, Chile, Colombia, Denmark, Dominicia, Dominican Republic, El Salvador, Estonia, Ethiopia, Germany, Ghana, Gernada, Guatemala, Guyana, Haiti, Honduras, Kazakhstan, Kenya, Kyrgyzstan, Laos, Latvia, Lebanon, Lithuania, Luxembourg, Macao, Madagascar, Mauritiania, Mauritius, Moldova, Monaco, Mongolia, Montserrat, Myanmar, Netherlands, Nicaragua, Niger, Nigeria, Norway, Oman, Pakistan, Panama, Papua New Guinea, Paraguay, Peru, Portugal, Puerto Rico, Romania, Russia, Saint Lucia, Saudi Arabia, Senegal, Serbia, Seychelles, Slovenia, Sri Lanka, Suriname, Sweden, Tajikistan, Tanzania, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Turks and Caicos Islands, United Arab Emirates, Uzbekistan and Venezuela.
In terms of performance, European servers are to be favoured, they are the ones with the fastest speeds.