Rulings
Q1: Can I use this card's effect to suspend just 1 of my opponent's Digimon when they have 2 Digimon with 5000 DP or less?
Yes, you can. You can choose to suspend 1 of your opponent's Digimon, and it is possible to choose an opponent's Digimon with 5000 DP or less as the target.
Data Sources
EN
Official English Card Listworld.digimoncard.com
Lv.6 HerculesKabuterimon P-044 P Mega | Vaccine | Insectoid [When Digivolving] Suspend 1 of your opponent's Digimon, or 2 of your opponent's Digimon with 5000 DP or less.
A
Official English (Asia) Card Listen.digimoncard.com
Lv.6 HerculesKabuterimon P-044 P Mega | Vaccine | Insectoid [When Digivolving] Suspend 1 of your opponent's Digimon, or 2 of your opponent's Digimon with 5000 DP or less.
W
DCG Wikidigimoncardgame.fandom.com
Lv.6 HerculesKabuterimon P-044 P mega | Vaccine | Insectoid [When Digivolving] Suspend 1 of your opponent's Digimon, or 2 of your opponent's Digimon with 5000 DP or less.
JP
Official Japanese Card Listdigimoncard.com
Lv.6 ヘラクルカブテリモン P-044 P 究極体 | ワクチン種 | 昆虫型 【進化時】相手のデジモン1体か、DP5000以下の相手のデジモン2体をレストさせる。