As mentioned in the comments content is dynamically generated but you can go with selenium.
Example
from selenium import webdriver
from bs4 import BeautifulSoup
from time import sleep
driver = webdriver.Chrome(executable_path='C:Program FilesChromeDriverchromedriver.exe')
url = 'https://es.louisvuitton.com/esp-es/productos/neceser-26-monogram-canvas-000767#M47542'
driver.get(url)
sleep(2)
soup = BeautifulSoup(driver.page_source, "lxml")
print(soup.select_one('div.lv-product__price-stock > span')).get_text()
driver.close()
Output
No disponible
Get in stock information without selenium
If you just interessted if product is available you can also requests
the api with the sku
of the product (hint and homework - last part of your url :)
Example
import requests, json
from time import sleep
headers = {"user-agent": "Mozilla/5.0"}
skuList = ['M47542', 'M45587', '1A8EMO']
availabilities = {}
for id in idList:
r=requests.get('https://api.louisvuitton.com/api/esp-es/catalog/availability/{0}'.format(id),headers=headers)
availabilities[id] = (r.json()['skuAvailability'])
print(r.json()['skuAvailability'])
sleep(4)
Output availabilities
{'000767': [{'skuId': 'M47542',
'exists': True,
'backOrder': False,
'inStock': False}],
'nvprod2540049v': [{'skuId': 'M45587',
'exists': True,
'backOrder': False,
'inStock': False},
{'skuId': 'M45586', 'exists': True, 'backOrder': False, 'inStock': False}],
'nvprod2470212v': [{'skuId': '1A8EMO',
'exists': True,
'backOrder': False,
'inStock': False},
{'skuId': '1A8EMQ', 'exists': True, 'backOrder': False, 'inStock': False},
{'skuId': '1A8EMS', 'exists': True, 'backOrder': False, 'inStock': False},
{'skuId': '1A8EMU', 'exists': True, 'backOrder': False, 'inStock': False},
{'skuId': '1A8EMW', 'exists': True, 'backOrder': False, 'inStock': False},
{'skuId': '1A8EMY', 'exists': True, 'backOrder': False, 'inStock': False},
{'skuId': '1A8EN0', 'exists': True, 'backOrder': False, 'inStock': False},
{'skuId': '1A8EM9', 'exists': True, 'backOrder': False, 'inStock': False},
{'skuId': '1A8EMB', 'exists': True, 'backOrder': False, 'inStock': True},
{'skuId': '1A8EMD', 'exists': True, 'backOrder': False, 'inStock': False},
{'skuId': '1A8EMF', 'exists': True, 'backOrder': False, 'inStock': True},
{'skuId': '1A8EMH', 'exists': True, 'backOrder': False, 'inStock': False},
{'skuId': '1A8EMJ', 'exists': True, 'backOrder': False, 'inStock': False},
{'skuId': '1A8EML', 'exists': True, 'backOrder': False, 'inStock': False}]}