[1] The Sao Paulo Forum "comprises political and social forces, from the Brazilian Workers' Party to the Communist Party of Cuba"; the Puebla Group consists of "a handful of leftist politicians" including Alberto Fernández, Luiz Inácio Lula da Silva, Evo Morales, Rafael Correa, Pepe Mujica, and José Luis Rodríguez Zapatero.

Spanish newspaper ABC wrote that this event provided a narrative that "symbolizes in part the expansionist mood of Vox and its ideology far from Spain".

[5] On 3 March 2020, Abascal met with Luis Almagro, Secretary General of the Organization of American States, to discuss the creation of the Madrid Forum.

[16] At the meetings in Ecuador, Guillermo Lasso's recently-nominated Minister of National Defense Fernando Donoso signed the document along with members of the Social Christian Party and Partido SUMA [es].

[16] In Mexico, the visit and signature collection event by Vox caused controversy when National Action Party (PAN) legislators signed the charter.

[29][30] At the meeting, a group of fifty far-left protesters gathered to denounce the Madrid Forum, some chanting "Bogotá will be the tomb of fascism", with some individuals damaging the exterior of the hotel where the event occurred.

[31] During the 2nd Regional Meeting of Foro Madrid was held in Lima in March 2023 and was virtually attended by Abascal, who described the Sao Paulo Forum and the Puebla Group as "criminal organizations".

[32][33] The forum also called for the ousting of Petro, who became president of Colombia, stating that the 2022 Colombian presidential election was fraudulent, and alleged that he was aligned with drug traffickers and that Russia interfered with social networks to support him.

"[38] Página 12, a Kirchnerist newspaper edited in Buenos Aires, described the initiative as a "cultural war" declared by Vox and "a conservative offensive on what democratic advances that had or have begun in Latin America at the beginning of this century".

[13] Political scientist Kathy Zegarra of the Pontifical Catholic University of Peru discussed Keiko Fujimori's participation with Vox's initiative.