*Club domestic league appearances and goals, correct as of 5:35, 5 May 2024 (UTC) ‡ National team caps and goals, correct as of 5:35, August 30, 2023 (UTC)
In 2015, Pabualan played for the High School team of Far Eastern University nicknamed the Baby Tamaraws, winning 4 straight UAAP titles while winning multiple MVPs, Best Midfielder, and Best Striker awards.[4][5][6][7] At the 2016 Palarong Pambansa, he won Gold with the NCR region.[3][8] In 2019, he joined the college team of FEU.[9][10]
While also playing for the ADT of the Philippines Football League, he captained them to their first UAAP title in 8 years in 2023,[11] winning the awards for both best striker and best midfielder, and finishing as the tournament's top scorer with 8 goals.[12][13][14] In a single game against University of the East, he notched 5 goal contributions, scoring two and assisting three.[15]
Before officially playing for the youth teams of the Philippines, Pabualan was part of a group nicknamed the "Little Azkals" that had training camps in other countries, with players that were meant to be the future of the Philippine team.[3][18][19] He officially played for the Philippines U17 in the 2013 AFF U16 Championship, making his debut in a 6–0 loss to Myanmar as a substitute in the 57th minute.[20]
Philippines U19
Pabualan was called up again, this time to the Philippines U19, for the 2018 AFF U19 Championship in Surabaya. He played all five matches, and scored a free kick to put the Philippines ahead against Indonesia before eventually succumbing 5–1.[1][21][22]
Philippines
Pabualan was first called up to the Philippines senior team in November 2022, when he was part of the provisional squad for the 2022 AFF Championship, though he did not make the cut.[23][24] In June 2023, he was called up by returning Azkals coach Michael Weiß for the Azkals' friendlies against Nepal and Chinese Taipei, making his debut in the second half against the latter, replacing Jarvey Gayoso in the 2nd half.[25][26][27]