The Blitzboks finish second in the men's standings while Australia take that spot in the women's competition which has been dominated by New Zealand.
Tournaments in Langford in Canada, London, Paris, Singapore and Hong Kong will not be played this year, with the men's and women's titles both awarded to pacesetters New Zealand.
The season has been halted early due to Covid-19, with four men's and three women's tournaments cancelled.
The cancellation of the series leaves Conroy has finished as top try scorer in the event with 30, 8 clear of United States Speedster Carlin Isles.
The cancellation of the inaugural Challenger Series event for women is a setback to their aspirations, but the Springbok Women's Sevens team will not give up on their drive to become a core team on the HSBC World Rugby Sevens Series.
At the same time, leaders New Zealand women's team- Black Ferns has also been declared the 2019/20 champions with 96 points.
The Paris, London, Singapore and Hong Kong 7s in September and October have been cancelled.
In the men's Series, the 2018 champions South Africa finish in second place with Olympic and 2019 Series champions Fiji in third.
"It is a real credit to all players and the wider management for the work they were doing in the build up to the Tokyo Olympics, and I'm sure they will pick up where they left off when they reassemble later in the year", Robinson said.
World Rugby said that the decision to cancel all remaining events on the Sevens calendar was taken following "detailed and constructive dialogue with the host and participating unions, and has been taken with the health and wellbeing of the rugby community and the wider public as top priority".
They will now be the 16th core team in the Sevens Series for 2021, but there is no women's promotion as the sole Challenger Series event could not take place.
World Rugby Chairman Sir Bill Beaumont said the disappointing decision was made for the well being of safety of the players and fans.
The Sevens Series is World Rugby's biggest annual property, with the Asia-based events in particular representing the sport's biggest opportunities to engage fans in that part of the world on a regular basis. We have, effectively, got two shots at preparing for an Olympic Games and we have been able to review everything we have done for this year and that is exciting'.